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Section: Testing & Diagnostics

Engine Control System (1AR-FE) (Diagnostic Codes (P1604 - U0101) & Circuit Tests): Overview
Engine Control System (1AR-FE) (Diagnostic Codes (P1604 - U0101) & Circuit Tests): Diagnosis
Engine Control System (1AR-FE) (Diagnostic Codes (P1604 - U0101) & Circuit Tests): Wiring
Engine Control System (1AR-FE) (Diagnostic Codes (P1604 - U0101) & Circuit Tests): Other

All sections

Engine Control System (2GR-FE) (Diagnostic Codes (P00351-P1603) & Circuit Tests): Other Toyota Highlander II рестайлинг

Testing & Diagnostics 19 illustrations ~12819 words

CAUTION / NOTICE / HINT

HINT

These DTCs indicate malfunctions relating to the primary circuit.
If DTC P0351 is set, check the No. 1 ignition coil with igniter circuit.
If DTC P0352 is set, check the No. 2 ignition coil with igniter circuit.
If DTC P0353 is set, check the No. 3 ignition coil with igniter circuit.
If DTC P0354 is set, check the No. 4 ignition coil with igniter circuit.
If DTC P0355 is set, check the No. 5 ignition coil with igniter circuit.
If DTC P0356 is set, check the No. 6 ignition coil with igniter circuit.

MONITOR STRATEGY

Related DTCs	P0351: Igniter (Cylinder 1) malfunction P0352: Igniter (Cylinder 2) malfunction P0353: Igniter (Cylinder 3) malfunction P0354: Igniter (Cylinder 4) malfunction P0355: Igniter (Cylinder 5) malfunction P0356: Igniter (Cylinder 6) malfunction
Required Sensors / Components (Main)	Igniter (Cylinder 1 to 6)
Required Sensors / Components (Related)	Crankshaft position sensor
Frequency of Operation	Continuous
Duration	0.256 seconds and 5 sparks
MIL Operation	Immediate
Sequence of Operation	None

TYPICAL ENABLING CONDITIONS

The monitor will run whenever these DTCs are not present	None
Either of the following conditions met	Condition A or B
(A) Engine RPM	Less than 1500 RPM
(B) Starter	OFF
Either of the following conditions are met	Condition C or D
C. Both of the following conditions are met
(a) Engine speed	Less than 500 RPM
(b) Battery voltage	6 V or more
D. All of the following conditions are met
(a) Engine speed	500 RPM or more
(b) Battery voltage	10 V or more
(c) Number of spark plug after CPU is reset	5 sparks or more

TYPICAL MALFUNCTION THRESHOLDS

A: Ignition signal fail counter	More than 2 times
B: Ignition signal fail counter after condition A is met	More than 2 times

COMPONENT OPERATING RANGE

Confirmed ignition signal input when ignition switch is on to off

2 times

Scheme 733

Scheme 733: WIRING DIAGRAM

Scheme 734

Scheme 735

CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Start the engine.
Idle the engine for 10 seconds or more [A].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0351, P0352, P0353, P0354, P0355, P0356, P0357 or P0358.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] through [B] again.
If no pending DTC is output, perform a universal trip and check for permanent DTCs, refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0365: Exhaust VVT Position (Bank 1) range check / rationality P0365: Exhaust VVT Position (Bank 1) range check (chattering) P0367: Exhaust VVT Position (Bank 1) range check (low voltage) P0368: Exhaust VVT Position (Bank 1) range check (high voltage) P0390: Exhaust VVT Position (Bank 2) range check / rationality P0390: Exhaust VVT Position (Bank 2) range check (chattering) P0392: Exhaust VVT Position (Bank 2) range check (low voltage) P0393: Exhaust VVT Position (Bank 2) range check (high voltage)
Required Sensors / Components (Main)	Exhaust VVT Position (Bank 1 and 2)
Required Sensors / Components (Related)	Exhaust camshaft sensor
Frequency of Operation	Continuous
Duration	5 seconds: P0365, P0390 4 seconds: Others
MIL Operation	Immediately
Sequence of Operation	None

The monitor will run whenever these DTCs are not present

None

ALL

Engine speed	600 RPM or more
Starter	OFF
Exhaust VVT sensor range check fail (P0367, P0368, P0392, P0393)	Not detected
Exhaust VVT sensor voltage	0.3 V or more, and 4.7 V or less
Battery voltage	8 V or more
Ignition witch	On (IG)
Time after ignition switch off to on (IG)	0.5 seconds or more

P0365 AND P0390: VVT SENSOR VERIFY PULSE INPUT

Starter	OFF
Ignition switch	On (IG)
Time after ignition switch off to on (IG)	2 seconds or more
Exhaust VVT sensor verify pulse input fail (P0365, P0390)	Not detected
Battery voltage	8 V or more

P0367, P0392, P0368, P0393: VVT SENSOR RANGE CHECK (LOW VOLTAGE, HIGH VOLTAGE)

Exhaust VVT sensor signal

No signal

P0365 AND P0390: VVT SENSOR VERIFY PULSE INPUT

Exhaust VVT sensor voltage

Less than 0.3 V

P0367 AND P0392: VVT SENSOR RANGE CHECK (LOW VOLTAGE)

Exhaust VVT sensor voltage

More than 4.7 V

P0368 AND P0393: VVT SENSOR RANGE CHECK (HIGH VOLTAGE)

VVT sensor voltage

0.3 to 4.7 V

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Start the engine.
Idle the engine for 10 seconds or more [A].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0365, P0367, P0368, P0390, P0392 or P0393.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] through [B] again.
If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0420: Catalyst Deterioration P0430: Catalyst Deterioration
Required Sensors / Components (Main)	Air fuel ratio sensor, heated oxygen sensor
Required Sensors / Components (Related)	Intake air temperature sensor, mass air flow meter, crankshaft position sensor and engine coolant temperature sensor
Frequency of Operation	Once per driving cycle
Duration	Approximately 30 seconds
MIL Operation	2 driving cycles
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	P0010, P0020 (OCV bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust OCV bank 1, 2) P0014, P0024 (Exhaust VVT system bank 1, 2 - advance) P0015, P0025 (Exhaust VVT system bank 1, 2 - retard) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052 (A/F sensor heater) P0037, P0038, P0057, P0058 (HO2 sensor heater) P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P0136, P0137, P0138, P0139 (HO2 sensor bank 1) P0156, P0157, P0158, P0159 (HO2 sensor bank 2) P014C, P014D, PP014E, P014F (A/F sensor - slow response) P015A, P015B, P015C, P015D (A/F sensor - delayed response) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) P0500 (Vehicle speed sensor) P0607 (HO2 sensor - sensor 2) P2195, P2196, P2197, P2198 (A/F sensor - rationality) P2237, P2240 (A/F sensor - open) P2238, P2241, P2252, P2255 (A/F sensor - low impedance) P2239, P2242, P2253, P2256 (A/F sensor - high impedance)
Battery voltage	11 V or more
IAT	10°C (14°F) or more
ECT	75°C (167°F) or more
Atmospheric pressure	76 kPa (570 mmHg) or more
Idle	OFF
Engine RPM	Less than 3200 RPM
Air fuel ratio sensor	Activated
Fuel system status	Closed loop
Engine load	10 to 70%
All of the following conditions are met	Conditions 1, 2 and 3
1. Mass air flow rate	5 to 60 g/sec.
2. Front catalyst temperature (estimated)	600 to 750°C (1112 to 1382°F)
3. Rear catalyst temperature (estimated)	100 to 900°C (212 to 1652°F)
Shift position	4th or more

Oxygen Storage Capacity (OSC) of catalyst

Less than 0.046 g (0.000101 lb)

MONITOR RESULT

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .

HINT

Performing this confirmation driving pattern will activate the catalyst efficiency monitor. This is very useful for verifying the completion of a repair.

Scheme 736

Scheme 736: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG).
Turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor.
Check that Catalyst Efficiency / Current is Incomplete.
Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher [A].
Drive the vehicle at approximately 60 km/h (38 mph) for 10 minutes or more [B]. HINT: Drive the vehicle while keeping the engine load as constant as possible. The monitor item will change to Complete as the catalyst efficiency monitor operates [C].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Check if any DTCs (pending DTCs) are stored. HINT: If the monitor does not change to Complete, and no pending DTCs are stored, perform the following procedure.
Drive the vehicle at a speed between 75 and 100 km/h (47 and 63 mph) for 10 minutes or more [D]. HINT: Drive the vehicle while keeping the engine load as constant as possible. The monitor item will change to Complete as the catalyst efficiency monitor operates [E].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Check if any DTCs (pending DTCs) are stored.

PROCEDURE

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0420 AND/OR P0430) Connect the Techstream to the DLC3. Turn the ignition switch on (IG) and turn the tester on. Select the following menu items: Powertrain / Engine and ECT / Trouble Code. Read the DTCs. Result Display (DTC Output) Proceed to P0420 and/or P0430 A P0420 and/or P0430 and other DTCs B HINT: If any DTCs other than P0420 or P0430 are output, troubleshoot those DTCs first. B --> See step 8 A: Go to next step
PERFORM ACTIVE TEST USING TECHSTREAM (AIR FUEL RATIO CONTROL) Connect the Techstream to the DLC3. Start the engine and turn the tester on. Warm up the engine at an engine speed of 2500 RPM for approximately 90 seconds. Select the following menu items: Powertrain / Engine and ECT / Active Test / Control the Injection Volume for A/F Sensor. Perform the Control the Injection Volume for A/F Sensor operation with the engine in an idling condition (press the RIGHT or LEFT button to change the fuel injection volume). Monitor the voltage outputs of the air fuel ratio and heated oxygen sensors (AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2) displayed on the tester. HINT: The Control the Injection Volume for A/F Sensor operation lowers the fuel injection volume by 12.5% or increases the injection volume by 25%. Each sensor reacts in accordance with increases and decreases in the fuel injection volume. Standard voltage Tester Display Injection Volumes Status Voltages AFS Voltage B1S1 or AFS B2S1 (Air fuel ratio) +25% Rich Less than 3.1 V AFS Voltage B1S1 or AFS B2S1 (Air fuel ratio) -12.5% Lean More than 3.4 V O2S B1S2 or O2S B2S2 (Heated oxygen) +25% Rich More than 0.55 V O2S B1S2 or O2S B2S2 (Heated oxygen) -12.5% Lean Less than 0.4 V Result Status AFS B1S1 or AFS B2S1 Status O2S B1S2 or O2S B2S2 Air Fuel Ratio Condition and Air Fuel Ratio and Heated Oxygen Sensor Conditions Misfires Suspected Trouble Areas Proceed to Lean/Rich Lean/Rich Normal - Three-way catalyst converter Gas leakage from exhaust system A Lean Lean/Rich Air fuel ratio sensor malfunction - Air fuel ratio sensor B Rich Lean/Rich Air fuel ratio sensor malfunction - Air fuel ratio sensor B Lean/Rich Lean Heated oxygen sensor malfunction - Heated oxygen sensor Gas leakage from exhaust system C Lean/Rich Rich Heated oxygen sensor malfunction - Heated oxygen sensor Gas leakage from exhaust system C Lean Lean Actual air fuel ratio lean May occur Extremely rich or lean actual air fuel ratio Gas leakage from exhaust system D Rich Rich Actual air fuel ratio rich - Extremely rich or lean actual air fuel ratio Gas leakage from exhaust system D Lean: During Control the Injection Volume for A/F Sensor, the air fuel ratio sensor output voltage (AFS) is consistently more than 3.4 V, and the heated oxygen sensor output voltage (O2S) is consistently less than 0.4 V. Rich: During Control the Injection Volume for A/F Sensor, the AFS is consistently less than 3.1 V, and the O2S is consistently more than 0.55 V. Lean/Rich: During Control the Injection Volume for A/F Sensor of the Active Test, the output voltage of the heated oxygen sensor alternates correctly. B --> REPLACE AIR FUEL RATIO SENSOR C --> See step 6 D --> See step 7 A: Go to next step
INSPECT FOR EXHAUST GAS LEAK Check for exhaust gas leakage from the exhaust manifold sub-assembly and exhaust pipes. OK No gas leakage. NG --> REPLACE AIR FUEL RATIO SENSOR OK: Go to next step
CHECK DTC OUTPUT (DTC P0420 AND/OR P0430) According to the DTCs output in the Check Any Other DTCs Output step, proceed to the next step according to the table below. Result Display (DTC Output) Proceed to P0420 A, C P0430 B, C P0420 and P0430 A, B, C A --> See step 9 B --> See step 10 C --> See step 5
REPLACE CENTER EXHAUST PIPE ASSEMBLY (TWC: REAR CATALYST). Refer to «COMPONENTS»(ref-422487-S05440251102011092600000)
INSPECT FOR EXHAUST GAS LEAK Inspect for exhaust gas leaks from the exhaust manifold sub-assembly and exhaust pipes. OK No gas leaks. NG --> REPAIR OR REPLACE EXHAUST GAS LEAKAGE POINT OK --> REPLACE HEATED OXYGEN SENSOR
INSPECT FOR EXHAUST GAS LEAK Inspect for exhaust gas leaks from the exhaust manifold sub-assembly and exhaust pipes. OK No gas leaks. NG --> REPAIR OR REPLACE EXHAUST GAS LEAK POINT OK --> CHECK ENGINE TO DETERMINE CAUSE OF EXTREMELY RICH OR LEAN ACTUAL AIR FUEL RATIO
GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-422300-S11996203412011092600000)
REPLACE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: FRONT CATALYST). Refer to «COMPONENTS»(ref-422487-S19752778712011092600000)
REPLACE EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: FRONT CATALYST). Refer to «COMPONENTS»(ref-422487-S19752778712011092600000)

Related DTCs	P043E: 0.02 inch orifice clog (built-in pump module) P043F: 0.02 inch orifice high-flow (built-in pump module) P2401: Vacuum pump stuck OFF P2402: Vacuum pump stuck ON P2419: Vent valve stuck open (vent)
Required Sensors / Components	Canister pump module
Frequency of Operation	Once per driving cycle
Duration	Within 2 minutes
MIL Operation	2 driving cycles
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	None
Atmospheric pressure	70 to 110 kPa (525 to 825 mmHg)
Battery voltage	10.5 V or more
Vehicle speed	Less than 2.5 mph (4 km/h)
Ignition switch	Off
Time after key-off	5 or 7 or 9.5 hours
Canister pressure sensor malfunction (P0452, P0453)	Not detected
EVAP canister purge valve	Not operated by scan tool
EVAP canister vent valve	Not operated by scan tool
EVAP leak detection pump	Not operated by scan tool
Both of the following conditions 1 and 2 are met before key-off
1. Duration that vehicle driven	5 minutes or more
2. EVAP purge operation	Performed
Engine coolant temperature	4.4 to 35°C (40 to 95°F)
Intake air temperature	4.4 to 35°C (40 to 95°F)

1. One of following conditions is met
2. EVAP pressure just after reference pressure measurement start	More than -1 kPa (-7.5 mmHg)
3. Reference pressure	Less than -4.85 kPa (-36.384 mmHg)
4. Reference pressure	1.057 kPa (-7.929 mmHg) or more
5. Reference pressure	Not saturated
6. Difference between first reference pressure and second reference pressure	0.28 kPa (2.10 mmHg) or more

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .

Note. The Evaporative System Check (Automatic Mode) consists of 5 steps performed automatically by the Techstream. It takes a maximum of approximately 23 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine during this operation. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the fuel temperature below 35°C (95°F).

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
After "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P043E, P043F, P2401, P2402 or P2419.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Start the engine and wait 15 minutes or more.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0441.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, perform the following procedure. NOTE: The Evaporative System Check (Automatic Mode) consists of 5 steps performed automatically by the Techstream. It takes a maximum of approximately 23 minutes. Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable. Do not run the engine during this operation. When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the fuel temperature below 35°C (95°F).
Clear the DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG)
Turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
After "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0441.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0451: Evaporative emission control system canister pressure sensor noise P0451: Evaporative emission control system canister pressure sensor stuck P0452: Evaporative emission control system canister pressure sensor/switch low input P0453: Evaporative emission control system canister pressure sensor/switch high input
Required Sensors / Components	Canister pump module
Frequency of Operation	Once per driving cycle: P0451 sensor stuck Continuous: P0451 sensor noising, P0452 and P0453
Duration	Less than 15 seconds: P0451 (Pressure sensor noise) Within 2 minutes: P0451 (Pressure sensor stuck) 0.5 seconds: P0452, P0453
MIL Operation	Immediate: P0452, P0453 2 driving cycles: P0451
Sequence of Operation	None

The monitor will run whenever these DTCs are not present

None

ALL

Atmospheric pressure	70 to 110 kPa (525 to 825 mmHg)
Battery voltage	10.5 V or more
Intake air temperature	4.4 to 35°C (40 to 95°F)
EVAP pressure sensor malfunction (P0452, P0453)	Not detected
Either of the following conditions 1 or 2 is met
1. Engine condition	Running
2. Time after key-off	5 or 7 or 9.5 hours

P0451 (NOISE MONITOR)

Battery voltage	10.5 V or more
Intake air temperature	4.4 to 35°C (40 to 95°F)
EVAP pressure sensor malfunction (P0452, P0453)	Not detected
Atmospheric pressure	70 to 110 kPa (525 to 825 mmHg)
Time after key-off	5 or 7 or 9.5 hours

P0451 (STUCK MONITOR)

Ignition switch	On (IG)
Battery voltage	8 V or more
Starter	OFF

P0452 AND P0453

Frequency that EVAP pressure change is 0.3 kPa (2.25 mmHg) or more

10 times or more in 10 seconds

(A) P0451: CANISTER PRESSURE SENSOR NOISE

EVAP pressure change during reference pressure measurement

Less than 0.65 kPa (4.876 mmHg)

(B) P0451: CANISTER PRESSURE SENSOR STUCK

EVAP pressure

Less than 42.11 kPa (316 mmHg)

EVAP pressure

More than 123.761 kPa (928 mmHg)

(D) P0453: CANISTER PRESSURE SENSOR HIGH VOLTAGE

Scheme 737

Scheme 737: WIRING DIAGRAM

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Data List / Intake Air.
Check that the intake air temperature is between 4.4°C and 40°C (40 and 104°F).
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
After "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0451, P0452 or P0453.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0455: Gross leak detected P0456: Very small leak (0.020 inch hole) detected
Required Sensors / Components	Purge VSV and canister pump module
Frequency of Operation	Once per driving cycle
Duration	Within 15 minutes
MIL Operation	2 driving cycles
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	None
Atmospheric pressure	70 to 110 kPa (525 to 825 mmHg)
Battery voltage	10.5 V or more
Vehicle speed	Less than 2.5 mph (4 km/h)
Ignition switch	OFF
Time after key-off	5 or 7 or 9.5 hours
Canister pressure sensor malfunction (P0452, P0453)	Not detected
EVAP canister purge valve	Not operated by scan tool
EVAP canister vent valve	Not operated by scan tool
EVAP leak detection pump	Not operated by scan tool
Both of the following conditions 1 and 2 are met before key-off
1. Duration that vehicle driven	5 minutes or more
2. EVAP purge operation	Performed
Engine coolant temperature	4.4 to 35°C (40 to 95°F)
Intake air temperature	4.4 to 35°C (40 to 95°F)

P0455 (PATTERN A), P0456

Atmospheric pressure	70 to 110 kPa (525 to 825 mmHg)
Battery voltage	10.5 V or more
Vehicle speed	Less than 2.5 mph (4 km/h)
Ignition switch	OFF
Canister pressure sensor malfunction (P0452, P0453)	Not detected
EVAP canister purge valve	Not operated by scan tool
EVAP canister vent valve	Not operated by scan tool
EVAP leak detection pump	Not operated by scan tool
Both of the following conditions 1 and 2 are met before key-off
1. Duration that vehicle driven	5 minutes or more
2. EVAP purge operation	Performed
Engine coolant temperature	4.4 to 35°C (40 to 95°F)
Intake air temperature	4.4 to 35°C (40 to 95°F)

P0455 (PATTERN B)

EVAP pressure when vacuum introduction is complete

Higher than reference pressure x 0.2

P0455: EVAP GROSS LEAK

EVAP pressure when vacuum introduction is complete

Between reference pressure and reference pressure x 0.2

P0456: EVAP 0.02 INCH LEAK

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
After the "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0455 or P0456.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0500: Vehicle speed sensor "A" pulse input error
Required Sensors / Components (Main)	Vehicle Speed Sensor (VSS), Combination meter and Skid control ECU
Required Sensors / Components (Related)	Park/neutral position switch, engine coolant temperature sensor, crankshaft position sensor and mass air flow meter
Frequency of Operation	Continuous
Duration	2 seconds
MIL Operation	Immediate
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	None
Time after ignition switch off to on (IG)	3 seconds or more
Engine	Running
Transmission counter gear speed	300 RPM or more
Battery voltage	8 V or more
Ignition switch	On (IG)
Starter	OFF
Either of the following conditions is met	Condition 1 or 2
1. Both of the following conditions are met	Condition (a) or (b)
(a) Engine coolant temperature (P0115, P0117, P0118, P0125)	20°C (68°F) or more
(b) Engine coolant temperature sensor fail	Not detected
(c) Time after park/neutral position switch ON to OFF	2 seconds or more
2. Both of the following conditions are met	Conditions (a) and (b)
(a) Engine coolant temperature	Less than 20°C (68°F)
(b) Engine coolant temperature sensor fail (P0115, P0117, P0118, P0125)	Detected
(c) Time after park/neutral position switch ON to OFF	30 seconds or more

Vehicle speed sensor signal

No signal

Scheme 738

Scheme 738: WIRING DIAGRAM

Scheme 739

Scheme 739: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Start the engine.
Drive the vehicle at 24 km/h (15 mph) or more for a total of 30 seconds or more [B].
Stop the vehicle.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0500.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0724: Stop light switch/Rationality
Required sensors/Components	Stop light switch, Vehicle speed sensor
Frequency of operation	Continuous
Duration	GO and STOP 5 times
MIL operation	2 driving cycles
Sequence of operation	None

The monitor will run whenever this DTC is not present	None
Ignition switch	On (IG)
Starter	OFF
Battery voltage	8 V or more
GO (Vehicle speed is 18.65 mph (30 km/h) or more)	Once
STOP (Vehicle speed is less than 1.86 mph (3 km/h)	Once

Switch status ON stuck

Remain ON during GO and STOP 5 times

Scheme 740

Scheme 740: WIRING DIAGRAM

Scheme 741

P0504

Scheme 742

Scheme 742: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) .
Turn the ignition switch off and wait for 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Depress and release the brake pedal [B].
Enter the following menus: Powertrain / Engine / Trouble Codes.
Read the DTC [C].
If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P0504.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU's memory limit HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform step [B] again.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Check the judgment result. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
If the test result is INCOMPLETE or UNKNOWN and no DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

P0724

Scheme 743

Connect the Telecaster to the DLC1.
Turn the ignition switch on (IG) and turn the Telecaster on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) .
Turn the ignition switch off and wait for 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Wait 5 seconds after clear the DTCs.
Enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
Read the pending DTC [B].
If a pending DTC is output, the system is malfunctioning. HINT: If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P0724.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [C] through [E].
Start the engine [C].
Accelerate the vehicle to 19 mph (30 km/h) or more, depress the brake pedal and decelerate the vehicle to 1.8 mph (3 km/h) or less [D]. Repeat step [D] 5 times.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Check the DTC judgment result [E]. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0505: ISC Function
Required Sensors / Components (Main)	Electronic throttle control system
Required Sensors / Components (Related)	Crankshaft position sensor, Engine coolant temperature sensor, and Vehicle speed sensor
Frequency of Operation	Continuous
Duration	10 minutes
MIL Operation	2 driving cycles
Sequence of Operation	None

The monitor will run whenever these DTCs are not present

P0010, P0020 (OCV bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust OCV bank 1, 2) P0014, P0024 (Exhaust VVT system bank 1, 2 - advance) P0015, P0025 (Exhaust VVT system bank 1, 2 - retard) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052 (A/F sensor heater) P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P014C, P014D, P014E, P014F (A/F sensor - slow response) P015A, P015B, P015C, P015D (A/F sensor - delayed response) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) P0451, P0452, P0453 (EVAP system) P0500 (Vehicle speed sensor) P2195, P2196, P2197, P2198 (A/F sensor - rationality) P2237, P2240 (A/F sensor - open) P2238, P2241, P2252, P2255 (A/F sensor - low impedance) P2239, P2242, P2253, P2256 (A/F sensor - high impedance)

Engine

Running

Either condition is met	1 or 2
1. Both of following conditions A and B met
A. Engine speed - Target engine speed	Less than -100 RPM, or more than 150 RPM (A/C off and NSW off) Less than -100 RPM, or more than 200 RPM (A/C on or NSW on)
B. IAC flow rate learned value	2.48 L/sec. or less, or 11.0 L/sec. or more for 5 seconds or more
2. Both of following conditions C and D met
C. Frequency that both of following conditions (a) and (b) met	5 times or more
(a) Engine speed - Target engine speed	Less than -100 RPM, or more than 150 RPM (A/C off and NSW off) Less than -100 RPM, or more than 200 RPM (A/C on or NSW on)
(b) Vehicle condition	Stopped after being driven at 10 km/h (6.25 mph) or more
D. Either condition is met	(c) or (d)
(c) IAC flow rate learned value	0.88 L/sec. or less, or 8.5 L/sec. or more
(d) Amount of change of IAC flow rate learned value	+2.3 L/sec. or more, or -4.2 L/sec. or less

Scheme 744

Scheme 744: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher with all the accessories switched off [B].
Idle the engine for 5 minutes or more [C]. HINT: In order to keep the idling stable, turn off the A/C and all other electric loads and do not perform any shift operations.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending [D].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0505.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [E] and [F].
Accelerate the vehicle to 10 km/h (6.25 mph) or more, and then idle the engine for 20 seconds or more [E].
Repeat step [E] 5 times.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [F].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0505.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the tester on. Select the following menu items: Powertrain / Engine and ECT / Trouble Code. Read the DTCs. Result Display (DTC Output) Proceed to P0505 A P0505 and other DTCs B HINT: If any DTCs other than P0505 are output, troubleshoot those DTCs first. B --> See step 6 A: Go to next step
CHECK PCV HOSE CONNECTIONS OK PCV hose is connected correctly and is not damaged. NG --> REPAIR OR REPLACE PCV HOSE OK: Go to next step
CHECK INTAKE SYSTEM Check the intake system for vacuum leakage. OK No leakage from intake system. NG --> REPAIR OR REPLACE INTAKE SYSTEM OK: Go to next step
CHECK THROTTLE VALVE Check the throttle valve condition. OK No foreign objects between the throttle valve and housing. NG --> See step 7 OK --> See step 5
REPLACE ECM. Refer to «COMPONENTS»(ref-422482-S29849271832011092600000)
GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-422300-S11996203412011092600000)
REPLACE THROTTLE BODY. Refer to «COMPONENTS»(ref-422482-S07398144772011092600000)

Related DTCs	P050A: Idle speed control problem at cold
Required Sensors / Components (Main)	Mass air flow meter
Required Sensors / Components (Related)	Engine Coolant Temperature (ECT) sensor, Throttle position sensor, Vehicle speed sensor
Frequency of Operation	Once per driving cycle
Duration	10 seconds
MIL Operation	2 driving cycles
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	P0010, P0020 (OCV bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust OCV bank 1, 2) P0014, P0024 (Exhaust VVT system bank 1, 2 - advance) P0015, P0025 (Exhaust VVT system bank 1, 2 - retard) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P014C, P014D, P014E, P014F (A/F sensor - slow response) P015A, P015B, P015C, P015D (A/F sensor - delayed response) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) P0500 (Vehicle speed sensor) P2195, P2196, P2197, P2198 (A/F sensor - rationality) P2237, P2240 (A/F sensor - open) P2238, P2241, P2252, P2255 (A/F sensor - low impedance) P2239, P2242, P2253, P2256 (A/F sensor - high impedance) P2A00, P2A03 (A/F sensor - slow response)
Battery voltage	8 V or more
Time after engine start	3 seconds or more
Starter	OFF
ECT at engine start	10°C (14°F) or more
ECT	10 to 50°C (14 to 122°F)
Engine idling time	3 seconds or more
Fuel-cut	OFF
Vehicle speed	Less than 1.875 mph (3 km/h)
Time after shift position changed	1 second or more
Atmospheric pressure	76 kPa (570 mmHg) or more

Accumulated mass air flow

Varies with ECT (Example: Less than 18 g)

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
Check that "Coolant Temp" in the Data List is within the range of -10 to 50°C (14 to 122°F).
Start the engine and warm it up until the coolant temperature is the same as the coolant temperature in the freeze frame data.
Idle the engine for 1 minute or more [B].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P050A.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, idle the engine for 3 minutes, let the engine cool down, and then perform steps [A] through [C] again.
If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

CHECK FOR ANY OTHER DTCS OUTPUT Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Enter the following the menus: Powertrain / Engine / Trouble Codes. Read the DTCs. RESULT Result Proceed to DTC P050A is output A DTC P050A and other DTCs are output B HINT: If any DTCs other than P050A are output, troubleshoot those DTCs first. B --> See step 20 A: Go to next step
READ VALUE USING TECHSTREAM (FUEL TRIM) HINT: Calculate the total fuel trim values to check the characteristic deviation of the mass air flow meter. Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / All Data / Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2. Read the values displayed on the Techstream. Add together the Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2 values to obtain the total fuel trim. Result Total of Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2 values is between -20% and 20%. NG --> See step 5 OK: Go to next step
INSPECT THROTTLE BODY ASSEMBLY Check for deposits around the throttle valve and check the throttle valve condition. OK No deposits around throttle valve and throttle valve moves smoothly. NG --> See step 4 OK: Go to next step
REPAIR OR REPLACE THROTTLE BODY ASSEMBLY Repair or replace the throttle body assembly. Refer to «REMOVAL»(ref-422482-S15054237452011092600000) . NEXT --> See step 14
CHECK PCV SYSTEM Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-422483-S09535920722011092600000) . OK PCV hose is connected correctly and is not damaged. NG --> See step 10 OK: Go to next step
CHECK AIR INDUCTION SYSTEM Check the air induction system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-422486-S21807497282011092600000) . OK No leaks in air induction system. NG --> See step 11 OK: Go to next step
INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Visually check that the air cleaner filter element is not excessively contaminated with dirt or oil. OK Air cleaner filter element is not excessively contaminated with dirt or oil. NG --> See step 12 OK: Go to next step
PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE VVT SYSTEM) Connect the Techstream to the DLC3. Start the engine and turn the Techstream on. Warm up the engine. Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Linear (Bank 1) or Control the VVT Linear (Bank 2). Check the engine speed while operating the camshaft timing oil control valve using the Techstream. OK Techstream Operation Engine Condition OFF Normal engine speed ON Engine idles roughly or stalls soon after camshaft timing oil control valve switched from off to on NG --> See step 13 OK: Go to next step
READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / All Data / MAF and Coolant Temp. Allow the engine to idle until Coolant Temp reaches 75°C (167°F) or higher. Read MAF with the engine speed at 3000 RPM. Standard Between 10 to 25 g/sec. (shift lever: N; A/C: Off). OK --> See step 14 NG --> See step 15
REPAIR OR REPLACE PCV HOSE Repair or replace the PCV hose. NEXT --> See step 14
REPAIR OR REPLACE AIR INDUCTION SYSTEM Repair or replace the air induction system. NEXT --> See step 14
REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Replace the air cleaner filter element sub-assembly. NEXT --> See step 14
CHECK AND REPAIR VVT SYSTEM Check and repair the VVT system. NEXT: Go to next step
CHECK WHETHER DTC OUTPUT RECURS NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off. Turn the ignition switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Coolant Temp. Check that the engine coolant temperature is between -10°C and 50°C (14 and 122°F). Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. RESULT Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050A is output) B B --> See step 15 A --> CHECK FOR INTERMITTENT PROBLEMS
CHECK HARNESS AND CONNECTOR Check the connection and terminal contact pressure of connectors and wire harnesses between the mass air flow meter and ECM. Refer to «PROCEDURE - Step 3»(ref-422484-S28299357582011092600000) . HINT: Repair any problems. NEXT: Go to next step
CHECK WHETHER DTC OUTPUT RECURS NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off. Turn the ignition switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Coolant Temp. Check that the engine coolant temperature is between -10°C and 50°C (14 and 122°F). Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. RESULT Result Proceed to ABNORMAL (DTC P050A is output) A NORMAL (DTC is not output) B B --> END A: Go to next step
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM) Disconnect the mass air flow meter connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition B10-5 (VG) - B50-14 (VG) Always Below 1 ohms B10-4 (E2G) - B50-13 (E2G) Always Below 1 ohms B10-5 (VG) or B50-14 (VG) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
REPLACE MASS AIR FLOW METER ASSEMBLY Replace the mass air flow meter assembly. Refer to «PROCEDURE - Step 3»(ref-422484-S28299357582011092600000) . HINT: If the result of the inspection performed in step 9 indicated no problem, proceed to the next step without replacing the mass air flow meter assembly. NEXT: Go to next step
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off. Turn the ignition switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Coolant Temp. Check that the engine coolant temperature is between -10°C and 50°C (14 and 122°F). Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Utility / All Readiness. Input the DTC: P050A. Check the DTC judgment result. RESULT Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050A is output) B B --> See step 21 A --> END
GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-422300-S11996203412011092600000)
REPLACE ECM. Refer to «COMPONENTS»(ref-422482-S29849271832011092600000)

Related DTCs	P050B: Idle ignition timing problem at cold
Required Sensors / Components (Main)	Mass air flow meter
Required Sensors / Components (Related)	Engine Coolant Temperature (ECT) sensor, Throttle position sensor, Vehicle speed sensor
Frequency of Operation	Once per driving cycle
Duration	10 seconds
MIL Operation	2 driving cycles
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	P0010, P0020 (OCV bank 1, 2) P0011, P0021 (VVT system bank 1, 2 - advance) P0012, P0022 (VVT system bank 1, 2 - retard) P0013, P0023 (Exhaust OCV bank 1, 2) P0014, P0024 (Exhaust VVT system bank 1, 2 - advance) P0015, P0025 (Exhaust VVT system bank 1, 2 - retard) P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0102, P0103 (MAF meter) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P014C, P014D, P014E, P014F (A/F sensor - slow response) P015A, P015B, P015C, P015D (A/F sensor - delayed response) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor) P0351, P0352, P0353, P0354, P0355, P0356 (Igniter) P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor) P0500 (Vehicle speed sensor) P2195, P2196, P2197, P2198 (A/F sensor - rationality) P2238, P2241, P2252, P2255 (A/F sensor - low impedance) P2239, P2242, P2253, P2256 (A/F sensor - high impedance)
Battery voltage	8 V or more
Time after engine start	3 seconds or more
Starter	OFF
ECT at engine start	10°C (14°F) or more
ECT	10 to 50°C (14 to 122°F)
Engine idling time	3 seconds or more
Fuel-cut	OFF
Vehicle speed	Less than 1.875 mph (3 km/h)
Atmospheric pressure	76 kPa (570 mmHg) or more

Accumulated time when ignition timing retard is cut off

5 seconds or more

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
Check that "Coolant Temp" in the Data List is within the range of -10 to 50°C (14 to 122°F).
Start the engine and warm it up until the coolant temperature is the same as the coolant temperature in the freeze frame data.
Idle the engine for 1 minute or more [B].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [C].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P050B.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, idle the engine for 3 minutes, let the engine cool down, and then perform steps [A] through [C] again.
If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

CHECK FOR ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P050B) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. RESULT Result Proceed to P050B is output A P050B and other DTCs are output B HINT: If any DTCs other than P050B are output, troubleshoot those DTCs first. B --> See step 20 A: Go to next step
READ VALUE USING TECHSTREAM (FUEL TRIM) HINT: Calculate the total fuel trim values to check the characteristic deviation of the mass air flow meter. Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / All Data / Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2. Read the values displayed on the Techstream. Add together the Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2 values to obtain the total fuel trim. OK Total of Short FT #1 and Long FT #1, or Short FT #2 and Long FT #2 values is between -20% and 20%. NG --> See step 5 OK: Go to next step
INSPECT THROTTLE BODY ASSEMBLY Check for deposits around the throttle valve and check the throttle valve condition. OK No deposits around throttle valve and throttle valve moves smoothly. NG --> See step 4 OK: Go to next step
REPAIR OR REPLACE THROTTLE BODY ASSEMBLY Repair or replace the throttle body assembly. Refer to «REMOVAL»(ref-422482-S15054237452011092600000) . NEXT --> See step 14
CHECK PCV HOSE Check the PCV hose connections. Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-422483-S09535920722011092600000) . OK PCV hose is connected correctly and is not damaged. NG --> See step 10 OK: Go to next step
CHECK AIR INDUCTION SYSTEM Check the air induction system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION»(ref-422486-S05660636552011092600000) . OK No leak in the air induction system. NG --> See step 11 OK: Go to next step
INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Visually check that the air cleaner filter element is not excessively contaminated with dirt or oil. OK The air cleaner filter element is not excessively contaminated with dirt or oil. NG --> See step 12 OK: Go to next step
PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE VVT SYSTEM) Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Warm up the engine. Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Linear (Bank 1) or Control the VVT Linear (Bank 2). Check the engine speed while operating the camshaft timing oil control valve using the Techstream. OK Techstream Operation Engine Condition OFF Normal engine speed ON Engine idles roughly or stalls soon after camshaft timing oil control valve switched from off to on NG --> See step 13 OK: Go to next step
READ VALUE USING TECHSTREAM (MAF) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / All Data / MAF and Coolant Temp. Allow the engine to idle until Coolant Temp reaches 75°C (167°F) or higher. Read MAF with the engine speed at 3000 RPM. Standard Between 10 to 25 g/sec. (shift lever: N; A/C: Off). OK --> See step 14 NG --> See step 15
REPAIR OR REPLACE PCV HOSE Repair or replace the PCV hose. NEXT --> See step 14
REPAIR OR REPLACE AIR INDUCTION SYSTEM Repair or replace the air induction system. NEXT --> See step 14
REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Replace the air cleaner filter element sub-assembly. NEXT --> See step 14
CHECK AND REPAIR VVT SYSTEM Check and repair the VVT system. NEXT: Go to next step
CHECK WHETHER DTC OUTPUT RECURS NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off. Turn the ignition switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Coolant Temp. Check that the engine coolant temperature is between -10°C and 50°C (14 and 122°F) Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. RESULT Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050B is output) B B --> See step 15 A --> CHECK FOR INTERMITTENT PROBLEMS
CHECK HARNESS AND CONNECTOR Check the connection and terminal contact pressure of connectors and wire harnesses between the mass air flow meter and ECM. Refer to «PROCEDURE - Step 3»(ref-422484-S28299357582011092600000) . HINT: Repair any problems. NEXT: Go to next step
CHECK WHETHER DTC OUTPUT RECURS NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off. Turn the ignition switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Coolant Temp. Check that the engine coolant temperature is between -10°C and 50°C (14 and 122°F) Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. RESULT Result Proceed to ABNORMAL (DTC P050B is output) A NORMAL (DTC is not output) B B --> END A: Go to next step
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM) Disconnect the mass air flow meter connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition B10-5 (VG) - B50-14 (VG) Always Below 1 ohms B10-4 (E2G) - B50-13 (E2G) Always Below 1 ohms B10-5 (VG) or B50-14 (VG) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
REPLACE MASS AIR FLOW METER ASSEMBLY Replace the mass air flow meter assembly. Refer to «COMPONENTS»(ref-422482-S13956229462011092600000) . HINT: If the result of the inspection performed in step 9 indicated no problem, proceed to the next step without replacing the mass air flow meter assembly. NEXT: Go to next step
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED NOTE: In this operation, the engine must be cold (approximately the same as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off. Turn the ignition switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Coolant Temp. Check that the engine coolant temperature is between -10°C and 50°C (14 and 122°F). Start the engine and warm it up. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Utility / All Readiness. Input the DTC: P050B. Check the DTC judgment result. RESULT Result Proceed to NORMAL (DTC is not output) A ABNORMAL (DTC P050B is output) B B --> REPLACE ECM A --> END
GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-422300-S11996203412011092600000)

Related DTCs	P0560: ECM system voltage
Required Sensors / Components (Main)	ECM
Required Sensors / Components (Related)
Frequency of Operation	Continuous
Duration	3 seconds
MIL Operation	Immediate (MIL illuminated after next engine start)
Sequence of Operation	None

The monitor will run whenever these DTCs are not present

None

ECM power source	Less than 3.5 V
Stand-by RAM	Initialized

Scheme 745

Scheme 745: WIRING DIAGRAM

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 5 seconds or more.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0560.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P0604: ECM RAM error
Required Sensors/Components (Main)	ECM
Required Sensors/Components (Related)
Frequency of Operation	Continuous
Duration	6 times
MIL Operation	Immediate
Sequence of Operation	None

The monitor runs whenever following DTCs not present

None

RAM mirror check

Fail

ECM RAM ERRORS

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the Techstream off.
Turn the ignition switch off.
Disconnect the Techstream.
Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
Connect the cable to the negative (-) battery terminal.
Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 16 seconds or more.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0604.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

READ DTC OUTPUT (DTC P0604) Clear the DTC. Turn the ignition switch OFF. Disconnect the battery negative terminal and wait for 1 minute. Connect the battery negative terminal. Turn the ignition switch on (IG). Select the following menu items: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. OK P0604 is not present. NG --> See step 3 OK --> See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «COMPONENTS»(ref-422482-S29849271832011092600000)

Related DTC	P0606: ECM CPU malfunction
Required sensors/Components	ECM
Frequency of Operation	Continuous
Duration	Within 1 second
MIL Operation	Immediate
Sequence of Operation	None

The monitor runs whenever the following DTCs are not present

None

DMA communication

No response

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the Techstream off.
Turn the ignition switch off.
Disconnect the Techstream.
Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
Connect the cable to the negative (-) battery terminal.
Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 1 second or more.
Enter the following menus: Powertrain / Engine / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P0606.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

CHECK WHETHER DTC OUTPUT RECURS (IN ADDITION TO DTC P0606) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the tester on. Clear the DTC. Turn the ignition switch off. Disconnect the battery negative terminal and wait for 1 minute. Connect the battery negative terminal. Turn the ignition switch on (IG). Select the following menu items: Powertrain / Engine and ECT / Trouble Code. Read the DTCs. Result Display (DTC output) Proceed to P0606 A No output DTC B B --> See step 2 A --> See step 3
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «COMPONENTS»(ref-422482-S29849271832011092600000)

Related DTC	P0607: ECM range check
Required sensors/Components (main)	ECM
Required sensors/Components (sub)	Accelerator pedal position sensor, throttle position sensor, Brake switch, Cruise control, heated oxygen sensor
Frequency of Operation	Continuous
Duration	60 seconds
MIL Operation	Immediate
Sequence of Operation	None

The monitor runs whenever the following DTCs are not present	None
Engine	Running
Estimated heated oxygen sensor temperature	450 to 800°C (842 to 1472°F)

Difference of main accelerator pedal position and sub accelerator pedal position	0.3 V or more
Difference of main throttle position and sub throttle position	0.3 V or more
Difference of main brake switch signal and sub brake switch signal	Different
Cruise control	Fail
Heated oxygen sensor transistors	Fail

Scheme 746

Scheme 746: CONFIRMATION DRIVING PATTERN

Stop the engine for 30 minutes or more [A].
Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on [B].
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [C].
Start the engine and wait 2 minutes [D].
Warm up the engine until the engine coolant temperature is 75°C (167°F) or higher [E].
Idle the engine for 1 minute [F].
Accelerate the vehicle to 80 km/h (50 mph) and stop the vehicle [G]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
Drive the vehicle at 56 to 80 km/h (35 to 50 mph) for 5 minutes or more [H]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
Enter the following menus: Powertrain / Engine / Trouble Codes [I].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P0607, P0136, P0137, P0138, P0156, P0157 or P0158.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [E] through [I] again.
If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P060A: ECM performance
Required sensors/Components (Main)	ECM
Required sensors/Components (Related)
Frequency of operation	Continuous
Duration	Within 1 second
MIL operation	Immediately
Sequence of operation	None

Monitor runs whenever following DTCs are not present

None

All of the following conditions are met	Condition A and B
A. Either of the following conditions is met	Condition 1 or 2
1. All of the following conditions are met	Condition a, b and c
(a) CPU reset	1 time or more
(b) Learned throttle position - Learned accelerator pedal position	0.4 V or more
(c) Electronic throttle actuator	OFF
2. CPU reset	2 times or more
B. CPU reset	Occurred

Scheme 747

Scheme 747: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) .
Turn the ignition switch off and wait for 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 16 seconds or more [A].
Enter the following menus: Powertrain / Engine / Trouble Codes.
Read the DTC [B].
If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P060A.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] again.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Check the judgment result. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
If the test result is INCOMPLETE or UNKNOWN and no DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

READ OUTPUT DTC (DTC P060A) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream ON. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch to OFF and turn the Techstream OFF. Disconnect the Techstream. Disconnect the cable from the battery negative (-) terminal and wait for 1 minute. Connect the cable to the battery negative (-) terminal. Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Wait 16 seconds or more. Turn the Techstream ON. Select the following menu items: Powertrain / Engine / Trouble Codes. Read DTCs. Result Result Proceed to No output A P060A B B --> See step 3 A --> See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «REMOVAL»(ref-422482-S28309387782011092600000)

Related DTCs	None
Required sensors/Components (Main)	ECM
Required sensors/Components (Related)
Frequency of operation	Once per driving cycle
Duration	16 seconds
MIL operation	Immediate
Sequence of operation	None

Monitor runs whenever following DTCs not present

None

When one of following conditions is met	Condition 1, 2 or 3
1. Internal control module serial communication	Fail
2. AD converter	Fail
3. Knock sensor circuit	Fail

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the Techstream off.
Turn the ignition switch off.
Disconnect the Techstream.
Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
Connect the cable to the negative (-) battery terminal.
Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 16 seconds or more.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P060B.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

CHECK FOR DTC Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the Techstream off. Turn the ignition switch off. Disconnect the Techstream. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute. Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the ignition switch on (IG) and turn the Techstream on. Wait 16 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Check for DTCs. RESULT Result Proceed to DTC is not output A DTC P060B is output B DTC P060B and P0327, P0328, P032C, P032D, P0332, P0333, P033C or P033D are output C B --> See step 3 C --> See step 4 A --> See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «REMOVAL»(ref-422482-S28309387782011092600000)
GO TO DTC P0327, P0328, P032C, P032D, P0332, P0333, P033C OR P033D. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-422300-S11996203412011092600000)

Related DTCs	P060D: Internal control module, Accelerator pedal position
Required sensors/Components (Main)	ECM
Required sensors/Components (Related)
Frequency of operation	Continuous
Duration	1 second
MIL operation	Immediately
Sequence of operation	None

Monitor runs whenever following DTCs are not present

None

Difference of main APP and sub APP

0.3 V or more

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) .
Turn the ignition switch off and wait for 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 16 seconds or more [A].
Enter the following menus: Powertrain / Engine / Trouble Codes.
Read the DTC [B].
If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P060D.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU's memory limit HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] again.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Check the judgment result. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
If the test result is INCOMPLETE or UNKNOWN and no DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

READ OUTPUT DTC (DTC P060D) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream ON. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch to off and turn the Techstream off. Disconnect the Techstream. Disconnect the cable from the battery negative (-) terminal and wait for 1 minute. Connect the cable to the battery negative (-) terminal. Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Wait 16 seconds or more. Turn the Techstream on. Select the following menu items: Powertrain / Engine / Trouble Codes. Read DTCs. Result Result Proceed to No output A P060D B B --> See step 3 A --> See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «REMOVAL»(ref-422482-S28309387782011092600000)

Related DTCs	P060E: Internal control module, Throttle position
Required sensors/Components (Main)	ECM
Required sensors/Components (Related)
Frequency of operation	Continuous
Duration	1 second
MIL operation	Immediately
Sequence of operation	None

Monitor runs whenever following DTCs are not present	None
DMA communication error	Not detected

When one of the following conditions is met	Condition 1 or 2
1. Difference of main TP and sub TP	0.3 V or more
2. Difference of main brake switch signal and sub brake switch signal	Different

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) .
Turn the ignition switch off and wait for 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 16 seconds or more [A].
Enter the following menus: Powertrain / Engine / Trouble Codes.
Read the DTC [B].
If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P060E.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] again.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Check the judgment result. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
If the test result is INCOMPLETE or UNKNOWN and no DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

READ OUTPUT DTC (DTC P060E) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the Techstream ON. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch to off and turn the Techstream off. Disconnect the Techstream. Disconnect the cable from the battery negative (-) terminal and wait for 1 minute. Connect the cable to the battery negative (-) terminal. Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Wait 16 seconds or more. Turn the Techstream ON. Select the following menu items: Powertrain / Engine / Trouble Codes. Read DTCs. Result Result Proceed to No output A P060E B B --> See step 3 A --> See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «REMOVAL»(ref-422482-S28309387782011092600000)

Related DTCs	P0617: Starter signal
Required Sensors / Components (Main)	STARTER relay, Park/neutral position switch, Clutch start switch and Ignition switch
Required Sensors / Components (Related)	Vehicle Speed Sensor (VSS), Crankshaft position sensor
Frequency of Operation	Continuous
Duration	20 seconds
MIL Operation	Immediate
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	None
Battery voltage	10.5 V or more
Vehicle speed	12.43 mph (20 km/h) or more
Engine speed	1000 RPM or more

Starter signal

Scheme 748

Scheme 748: WIRING DIAGRAM

Scheme 749

Scheme 750

Scheme 750: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on [A].
Idle the engine for 5 seconds or more [B].
Drive the vehicle at 24 km/h (15 mph) or more for 20 seconds or more [C].
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [D].
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0617.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Related DTCs	P062F: Internal control module EEPROM error
Required sensors/Components (Main)	ECM
Required sensors/Components (Related)
Frequency of operation	Once per driving cycle
Duration	11 seconds
MIL operation	Immediately
Sequence of operation	None

Monitor runs whenever following DTCs are not present	None
Time after engine start	10 seconds or more
Battery voltage	8 V or more
Ignition switch	On (IG)
Starter	OFF

Permanent fault code data

Mismatch (3 times or more)

Scheme 751

Scheme 751: CONFIRMATION DRIVING PATTERN

Connect the Techstream to the DLC3.
Turn the ignition switch to on (IG) and turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) .
Turn the ignition switch off and wait for 30 seconds.
Turn the ignition switch to on (IG) and turn the Techstream on [A].
Wait 30 seconds or more.
Enter the following menus: Powertrain / Engine / Trouble Codes.
Read the DTC [B].
If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P062F.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] again.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Check the judgment result. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

READ OUTPUT DTC (DTC P062F) Connect the Techstream to the DLC3. Turn the ignition switch to on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . Turn the ignition switch off and turn the Techstream off. Disconnect the Techstream. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute. Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the ignition switch to on (IG). Wait 30 seconds or more. Turn the Techstream on. Enter the following menus: Powertrain / Engine / Trouble Codes. Read DTCs. RESULT Result Proceed to DTC is not output A DTC P062F is output B B --> See step 2 A --> See step 3
REPLACE ECM. Refer to «REMOVAL»(ref-422482-S28309387782011092600000)
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)

Related DTCs	P0630: VIN not programmed
Required Sensors / Components (Main)	ECM
Required Sensors / Components (Related)
Frequency of Operation	Continuous
Duration	0.325 seconds
MIL Operation	Immediate
Sequence of Operation	None

The monitor will run whenever these DTCs are not present	None
Battery voltage	8 V or more
Ignition switch	ON (IG)
Starter	OFF

VIN code

Not programmed

VIN code

Programmed

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the ignition switch off and wait for at least 30 seconds.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 5 seconds or more.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0630.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

READ CURRENT DTC Connect Techstream to the DLC3. Turn the ignition switch on (IG) and turn the tester on. Select the following menu items: Powertrain / Engine and ECT / Trouble Code. Read the DTCs. Result Display (DTC Output) Proceed to P0630 A P0630 and other DTCs B If any DTCs other than P0630 are output, troubleshoot those DTCs first. NOTE: If P0630 is set, the VIN must be input to the ECM using the Techstream. However, all DTCs are cleared automatically by the tester when inputting the VIN. B --> See step 4 A: Go to next step
INPUT VIN WITH TECHSTREAM HINT: Refer to "REGISTRATION". Refer to «REGISTRATION»(ref-422300-S30318423972011092600000) . NEXT: Go to next step
READ CURRENT DTC Connect the Techstream to the DLC3. Turn the ignition switch on (IG) and turn the tester on. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs again. Result DTC is not output (P0630). NG --> See step 5 OK --> END
GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-422300-S11996203412011092600000)
REPLACE ECM. Refer to «COMPONENTS»(ref-422482-S29849271832011092600000)

Related DTC	P0657: ETCS power supply
Required sensors/Components (main)	ECM
Required sensors/Components (sub)	Throttle actuator
Frequency of Operation	Once per driving cycle
Duration	Within 1 second
MIL Operation	Immediate
Sequence of Operation	None

The monitor will run whenever this DTC is not present	None
Ignition switch	From on (IG) to off

Electric throttle actuator power supply

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
Turn the Techstream off.
Turn the ignition switch off.
Disconnect the Techstream.
Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
Connect the cable to the negative (-) battery terminal.
Turn the ignition switch on (IG).
Wait 10 seconds or more.
Turn the ignition switch off.
Wait 15 seconds or more.
Connect the Techstream to the DLC3.
Turn the ignition switch on (IG) and turn the Techstream on.
Wait 5 seconds or more.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
Input the DTC: P0657.
Check the DTC judgment result. Techstream Display Description NORMAL DTC judgment completed System normal ABNORMAL DTC judgment completed System abnormal INCOMPLETE DTC judgment not completed Perform driving pattern after confirming DTC enabling conditions UNKNOWN Unable to perform DTC judgment Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit HINT: If the judgment result shows NORMAL, the system is normal. If the judgment result shows ABNORMAL, the system has a malfunction.
If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-422300-S24344107222011092600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

CHECK WHETHER DTC OUTPUT RECURS (IN ADDITION TO DTC P0657) Connect the Techstream to the DLC3. Turn the ignition switch on (IG). Turn the tester on. Clear the DTC. Turn the ignition switch off. Disconnect the battery negative terminal and wait for 1 minute. Connect the battery negative terminal. Turn the ignition switch on (IG) for 10 seconds. Turn the ignition switch off. Turn the ignition switch on (IG). Select the following menu items: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs. Result Display (DTC output) Proceed to P0657 A No output DTC B B --> See step 2 A --> See step 3
CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-422300-S41051796092011092600000)
REPLACE ECM. Refer to «COMPONENTS»(ref-422482-S29849271832011092600000)

Engine Control System (2GR-FE) (Diagnostic Codes (P00351-P1603) & Circuit Tests): Other Toyota Highlander II рестайлинг

CAUTION / NOTICE / HINT

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

TYPICAL MALFUNCTION THRESHOLDS

COMPONENT OPERATING RANGE

Scheme 733

Scheme 734

Scheme 735

CONFIRMATION DRIVING PATTERN

MONITOR RESULT

Scheme 736

PROCEDURE

Scheme 737

Scheme 738

Scheme 739

Scheme 740

Scheme 741

Scheme 742

Scheme 743

Scheme 744

Scheme 745

Scheme 746

Scheme 747

Scheme 748

Scheme 749

Scheme 750

Scheme 751

More articles — Engine Control System (2GR-FE) (Diagnostic Codes (P00351-P1603) & Circuit Tests)

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