Engine Control System (Diagnostic Codes (P0420-P1605)): Other Scion xB II рестайлинг

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

TYPICAL MALFUNCTION THRESHOLDS

MONITOR RESULT

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS .

CONFIRMATION DRIVING PATTERN

HINT

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

Scheme 253

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation). Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) .
5. Turn the ignition switch off and wait for at least 30 seconds.
6. Turn the ignition switch to ON and turn the Techstream on.
7. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor.
8. Check that Catalyst Efficiency / Current is Incomplete.
9. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher [A].
10. Drive the vehicle at approximately 60 km/h (37 mph) for 10 minutes or more [B]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. 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].
11. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
12. 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.
13. 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].
14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
15. Check if any DTCs (pending DTCs) are stored.
16. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

PROCEDURE

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0420) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to P0420 A P0420 and other DTCs B HINT: If any DTCs other than P0420 are output, troubleshoot those DTCs first. B --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION VOLUME) Connect the Techstream to the DLC3. Start the engine and warm it up. Turn the Techstream on. Run the engine at an engine speed of 2500 RPM for approximately 90 seconds. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Injection Volume. Perform the Active Test 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 sensor and heated oxygen sensor (AFS Voltage B1S1 and O2S B1S2) displayed on the Techstream. HINT: Change the fuel injection volume within the range of - 12% to +12%. The injection volume can be changed in fine gradations. Each sensor reacts in accordance with increases and decreases in the fuel injection volume. If the sensor output voltage does not change (almost no reaction) while performing the Active Test, the sensor may be malfunctioning. Standard Techstream Display (Sensor) Injection Volume Status Voltage AFS Voltage B1S1 (A/F) +12% Rich Less than 3.1 -12% Lean More than 3.4 O2S B1S2 (HO2) +12% Rich More than 0.55 -12% Lean Less than 0.4 RESULT Status AFS Voltage B1S1 Status O2S B1S2 A/F Condition and A/F and HO2 Sensor Condition Misfire Main Suspected Trouble Area Proceed to Lean/Rich Lean/Rich Normal - Three-Way Catalytic Converter (TWC) Gas leak from exhaust system A Lean Lean/Rich A/F sensor malfunction - A/F sensor B Rich Lean/Rich A/F sensor malfunction - A/F sensor Lean/Rich Lean HO2 sensor malfunction - HO2 sensor Gas leak from exhaust system C Lean/Rich Rich HO2 sensor malfunction - HO2 sensor Gas leak from exhaust system Lean Lean Actual air fuel ratio lean May occur Extremely rich or lean actual air-fuel ratio Gas leak from exhaust system D Rich Rich Actual air fuel ratio rich - Extremely rich or lean actual air-fuel ratio Gas leak from exhaust system Lean: During Control the Injection Volume, the A/F sensor output voltage (AFS) is consistently more than 3.4 V, and the HO2 sensor output voltage (O2S) is consistently less than 0.4 V. Rich: During Control the Injection Volume, 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 of the Active Test, the output voltage of the HO2 sensor alternates correctly. B --> See step 7 C --> See step 5 D --> See step 8 A: Go to next step
3. CHECK FOR EXHAUST GAS LEAK OK No gas leak. NG --> REPAIR OR REPLACE EXHAUST GAS LEAK POINT OK: Go to next step
4. REPLACE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY (TWC: FRONT CATALYST) Replace the exhaust manifold converter sub-assembly. Refer to «COMPONENTS»(ref-511382-S29972758832012102600000) . NEXT --> See step 10
5. CHECK FOR EXHAUST GAS LEAK OK No gas leak. NG --> REPAIR OR REPLACE EXHAUST GAS LEAK POINT OK --> See step 9
6. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-511384-S22208120472012102600000)
7. REPLACE AIR FUEL RATIO SENSOR (SENSOR 1). Refer to «REMOVAL»(ref-511385-S03018773852012102600000)
8. CHECK ENGINE TO DETERMINE CAUSE OF EXTREMELY RICH OR LEAN ACTUAL AIR FUEL RATIO, AND GO TO STEP 3. Refer to «INSPECTION PROCEDURE»(ref-511389-S39904011162012102600000)
9. REPLACE HEATED OXYGEN SENSOR (SENSOR 2). Refer to «REMOVAL»(ref-511385-S19129975732012102600000)
10. REPLACE CENTER EXHAUST PIPE ASSEMBLY (TWC: REAR CATALYST). Refer to «COMPONENTS»(ref-511395-S42913461592012102600000)

"Saturated" indicates that the EVAP pressure change is less than 0.286 kPa(gauge) [2.14 mmHg(gauge)] in 60 seconds.

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS .

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 19 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).

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
7. After "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
8. Input the DTC: P043E, P043F, P2401, P2402 or P2419.
9. 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.
10. If the 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-511384-S36374632912012102600000) . 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 .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Start the engine and wait 15 minutes or more.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
8. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10. Input the DTC: P0441.
11. 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 NOTE: The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 19 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).
12. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
13. Turn the ignition switch off and wait for at least 30 seconds.
14. Turn the ignition switch to ON
15. Turn the Techstream on.
16. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
17. After the "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
18. Input the DTC: P0441.
19. 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.
20. If the 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

P0451 (NOISE MONITOR)

P0451 (FIXED/FLAT MONITOR)

P0452 AND P0453

P0451: CANISTER PRESSURE SENSOR NOISE

P0451: CANISTER PRESSURE SENSOR FIXED/FLAT

P0452: CANISTER PRESSURE SENSOR LOW VOLTAGE

P0453: CANISTER PRESSURE SENSOR HIGH VOLTAGE

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 19 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).

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Enter the following menus: Powertrain / Engine and ECT / Data List / Intake Air.
4. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
5. Turn the ignition switch off and wait for at least 30 seconds.
6. Turn the ignition switch to ON and turn the Techstream on.
7. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
8. After the "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
9. Input the DTC: P0451, P0452 or P0453.
10. 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.
11. If the 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 254

P0455 (PATTERN A), P0456

P0455 (PATTERN B)

P0455: EVAP GROSS LEAK

P0456: EVAP SMALL LEAK

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS .

Note. The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 19 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).

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
7. After the "Evaporative System Check" is completed, check All Readiness by entering the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
8. Input the DTC: P0455 or P0456.
9. 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.
10. If the 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

M/T MODELS

A/T MODELS

Scheme 255

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on [A].
6. Start the engine and warm it up until the ECT reaches 75°C (167°F) or higher [B].
7. Accelerate the vehicle to 74 km/h (46 mph) or higher [C].
8. Maintain the vehicle speed at 74 km/h (46 mph) or higher for 10 seconds or more [D].
9. Decelerate the vehicle by releasing the accelerator pedal for 5 seconds or more to perform fuel cut [E]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws
10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [F].
11. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
12. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
13. Input the DTC: P0500.
14. 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.
15. If the 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 256

Scheme 257

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on [A].
6. 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].
7. 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.
8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [D].
9. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
11. Input the DTC: P0505.
12. 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].
13. Accelerate the vehicle to 10 km/h (6.25 mph) or more, and then idle the engine for 20 seconds or more [E].
14. Repeat step [E] 5 times.
15. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [F].
16. Read pending DTCs. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
17. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
18. Input the DTC: P0505.
19. 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.
20. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result 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 5 A: Go to next step
2. CHECK PCV HOSE CONNECTIONS Check the PCV hose connections. Refer to «COMPONENTS»(ref-511382-S32135958742012102600000) . OK PCV hose is connected correctly and is not damaged. NG --> REPAIR OR REPLACE PCV HOSE OK: Go to next step
3. CHECK INTAKE SYSTEM Check the intake system for vacuum leak. Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511394-S02699951012012102600000) . OK No leak from intake system. NG --> REPAIR OR REPLACE INTAKE SYSTEM OK: Go to next step
4. INSPECT THROTTLE BODY (THROTTLE VALVE) Check the throttle valve condition. OK Throttle valve is not contaminated with foreign objects and moves smoothly. NG --> See step 6 OK --> See step 7
5. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-511384-S22208120472012102600000)
6. REPLACE THROTTLE BODY. Refer to «REMOVAL»(ref-511385-S41241468102012102600000)
7. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
7. Check that "Coolant Temp" in the Data List is within the range of -10 to 50°C (14 to 122°F).
8. Start the engine and warm it up until the coolant temperature is the same as the coolant temperature in the freeze frame data.
9. Idle the engine for 1 minute or more.
10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
11. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
12. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
13. Input the DTC: P050A.
14. 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 result shows INCOMPLETE or UNKNOWN, idle the engine for 3 minutes, let the engine cool down, and then perform steps [A] through [C] again.
15. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P050A) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to P050A A P050A and other DTCs B HINT: If any DTCs other than P050A are output, troubleshoot those DTCs first. B --> See step 20 A: Go to next step
2. 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 and ECT / Data List / Short FT #1 and Long FT #1. Read the values displayed on the Techstream while the engine is idling. Add together the Short FT #1 and Long FT #1 values to obtain the total Fuel Trim. Standard Total of Short FT #1 and Long FT #1 values is between -20% and 20%. NG --> See step 5 OK: Go to next step
3. INSPECT THROTTLE BODY Check for deposits around the throttle valve and check the throttle valve condition. OK No deposits around throttle valve and throttle valve moves smoothly. OK --> See step 14 NG --> See step 4
4. REPAIR OR REPLACE THROTTLE BODY Repair or replace throttle body. Refer to «REMOVAL»(ref-511385-S41241468102012102600000) . NEXT --> See step 14
5. CHECK PCV SYSTEM Start the engine. Pinch the positive crankcase ventilation (PCV) hose. Check the engine RPM. OK The engine RPM rises when the PCV hose is pinched. NG --> See step 10 OK: Go to next step
6. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511394-S02699951012012102600000) . OK No leak from the intake system. NG --> See step 11 OK: Go to next step
7. CHECK 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
8. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE OCV) Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Warm up the engine. Turn the A/C switch on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1). Check the engine speed while operating the Oil Control Valve (OCV) using the Techstream. OK Techstream Operation Specified Condition 0% Normal engine speed 100% Engine idles roughly or stalls NG --> See step 13 OK: Go to next step
9. READ VALUE USING TECHSTREAM (MAF). Refer to «PROCEDURE - Step 6»(ref-511389-S08632134142012102600000) OK --> See step 14 NG --> See step 15
10. REPAIR OR REPLACE PCV SYSTEM Repair or replace the PCV system. NEXT --> See step 14
11. REPAIR OR REPLACE INTAKE SYSTEM Repair or replace the intake system. NEXT --> See step 14
12. REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Replace the air cleaner filter element sub-assembly. NEXT --> See step 14
13. CHECK AND REPAIR VVT SYSTEM Check and repair the VVT system. HINT: Refer to DTC P0011 Inspection Procedure. Refer to «DTC P0011: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1)»(ref-511389-S38398271002012102600000) . NEXT: Go to next step
14. CHECK WHETHER DTC OUTPUT RECURS (DTC P050A) NOTE: For this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch off and wait for at least 30 seconds. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / 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 and ECT / 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 --> See step 22
15. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR CONNECTION) Check the connection and terminal contact pressure of connectors and wire harnesses between the mass air flow meter and ECM. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-511289-S39503723992012102600000) . HINT: Repair any problems. NEXT: Go to next step
16. CHECK WHETHER DTC OUTPUT RECURS (DTC P050A) NOTE: For this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch off and wait for at least 30 seconds. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / 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 and ECT / 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
17. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM). Refer to «PROCEDURE - Step 18»(ref-511389-S08632134142012102600000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
18. REPLACE MASS AIR FLOW METER Replace the mass air flow meter assembly. Refer to «REMOVAL»(ref-511385-S36000517632012102600000) . 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
19. CHECK WHETHER DTC OUTPUT RECURS (DTC P050A) NOTE: For this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch off and wait for at least 30 seconds. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / 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 and ECT / 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
20. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-511384-S22208120472012102600000)
21. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)
22. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
7. Check that "Coolant Temp" in the Data List is within the range of -10 to 50°C (14 to 122°F).
8. Start the engine and warm it up until the coolant temperature is the same as the coolant temperature in the freeze frame data.
9. Idle the engine for 1 minute or more.
10. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
11. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
12. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
13. Input the DTC: P050B.
14. 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 result shows INCOMPLETE or UNKNOWN, idle the engine for 3 minutes, let the engine cool down, and then perform steps [A] through [C] again.
15. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P050B) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to P050B A P050B and other DTCs B HINT: If any DTCs other than P050B are output, troubleshoot those DTCs first. B --> See step 21 A: Go to next step
2. 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 and ECT / Data List / Short FT #1 and Long FT #1. Read the values displayed on the Techstream while the engine is idling. Add together the Short FT #1 and Long FT #1 values to obtain the total fuel trim. Standard Total of Short FT #1 and Long FT #1 values is between -20% and 20%. NG --> See step 5 OK: Go to next step
3. INSPECT THROTTLE BODY Check for deposits around the throttle valve and check the throttle valve condition. OK No deposits around throttle valve and throttle valve moves smoothly. OK --> See step 14 NG --> See step 4
4. REPAIR OR REPLACE THROTTLE BODY Repair or replace the throttle body. Refer to «REMOVAL»(ref-511385-S41241468102012102600000) . NEXT --> See step 14
5. CHECK PCV SYSTEM Start the engine. Pinch the positive crankcase ventilation (PCV) hose. Check the engine RPM. OK The engine RPM rises when the PCV hose is pinched. NG --> See step 10 OK: Go to next step
6. CHECK INTAKE SYSTEM Check the intake system for vacuum leaks. Refer to «ON-VEHICLE INSPECTION - Step 1»(ref-511394-S02699951012012102600000) . OK No leak from the intake system. NG --> See step 11 OK: Go to next step
7. 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
8. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE OCV) Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Warm up the engine. Turn the A/C switch on. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1). Check the engine speed while operating the Oil Control Valve (OCV) using the Techstream. OK Techstream Operation Specified Conditions 0% Normal engine speed 100% Engine idles roughly or stalls NG --> See step 13 OK: Go to next step
9. READ VALUE USING TECHSTREAM (MAF). Refer to «PROCEDURE - Step 6»(ref-511389-S08632134142012102600000) OK --> See step 14 NG --> See step 15
10. REPAIR OR REPLACE PCV SYSTEM Repair or replace the PCV system. NEXT --> See step 14
11. REPAIR OR REPLACE INTAKE SYSTEM Repair or replace the intake system. NEXT --> See step 14
12. REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Replace the air cleaner filter element sub-assembly. NEXT --> See step 14
13. CHECK AND REPAIR VVT SYSTEM Check and repair the VVT system. HINT: Refer to DTC P0011 Inspection Procedure. Refer to «DTC P0011: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1)»(ref-511389-S38398271002012102600000) . NEXT: Go to next step
14. CHECK WHETHER DTC OUTPUT RECURS (DTC P050B) NOTE: For this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch off and wait for at least 30 seconds. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / 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 the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / 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 --> See step 22
15. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR CONNECTION) Check the connection and terminal contact pressure of connectors and wire harnesses between the mass air flow meter and ECM. Refer to «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-511289-S39503723992012102600000) . HINT: Repair any problems. NEXT: Go to next step
16. CHECK WHETHER DTC OUTPUT RECURS (DTC P050B) NOTE: For this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch off and wait for at least 30 seconds. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / 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 the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / 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
17. CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM). Refer to «PROCEDURE - Step 18»(ref-511389-S08632134142012102600000) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
18. REPLACE MASS AIR FLOW METER Replace the mass air flow meter. Refer to «REMOVAL»(ref-511385-S36000517632012102600000) . 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
19. CHECK WHETHER DTC OUTPUT RECURS (DTC P050B) NOTE: For this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data). Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch off and wait for at least 30 seconds. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / 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 the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine and ECT / 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 20 A --> END
20. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)
21. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-511384-S22208120472012102600000)
22. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Wait 5 seconds or more.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
8. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10. Input the DTC: P0560.
11. 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.
12. If the 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 258

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the Techstream off.
5. Turn the ignition switch off.
6. Disconnect the Techstream.
7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
8. Connect the cable to the negative (-) battery terminal.
9. Connect the Techstream to the DLC3.
10. Turn the ignition switch to ON and turn the Techstream on.
11. Wait 16 seconds or more.
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
13. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15. Input the DTC: P0604.
16. 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.
17. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P0604) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch 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 to ON and turn the Techstream on. Wait 16 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to No DTCs output A P0604 B B --> See step 3 A --> See step 2
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)
3. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the Techstream off.
5. Turn the ignition switch off.
6. Disconnect the Techstream.
7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
8. Connect the cable to the negative (-) battery terminal.
9. Connect the Techstream to the DLC3.
10. Turn the ignition switch to ON and turn the Techstream on.
11. Wait 1 second or more.
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
13. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15. Input the DTC: P0606.
16. 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.
17. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P0606) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch 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 to ON and turn the Techstream on. Wait 1 second or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to No output A P0606 B B --> See step 3 A --> See step 2
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)
3. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

Scheme 259

1. Stop the engine for 30 minutes or more [A].
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON and turn the Techstream on [B].
4. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
5. Turn the ignition switch off and wait for at least 30 seconds.
6. Turn the ignition switch to ON and turn the Techstream on [C].
7. Start the engine and wait 2 minutes [D].
8. Warm up the engine until the engine coolant temperature is 75°C (167°F) or higher [E].
9. Idle the engine for 1 minute [F].
10. 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.
11. 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.
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [I].
13. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15. Input the DTC: P0607, P0136, P0137, P0138.
16. 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 result shows INCOMPLETE or UNKNOWN, perform steps [E] through [I] again.
17. If no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 260

1. CHECK ANY OTHER DTCS OUTPUT Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . RESULT Result Proceed to P0607 and P0136, P0137 or P0138 are output A P0607 is output B B --> See step 3 A: Go to next step
2. INSPECT DTC (P0136, P0137 OR P0138) Refer to the P0136, P0137 or P0138 flowchart. HINT: If P0136 is output, troubleshoot for that DTC first. Refer to «INSPECTION PROCEDURE»(ref-511389-S13577016202012102600000) . Then proceed to "Inspect ECM". If P0137 is output, troubleshoot for that DTC first. Refer to «INSPECTION PROCEDURE»(ref-511389-S13577016202012102600000) . Then proceed to "Inspect ECM". If P0138 is output, troubleshoot for that DTC first. Refer to «INSPECTION PROCEDURE»(ref-511389-S13577016202012102600000) . Then proceed to "Inspect ECM". If DTC P0607 and P0136, P0137 or P0138 are output, the output voltage of the heated oxygen sensor may remain close to 0 V or become high (around 1 V or higher). NEXT --> See step 6
3. CHECK FOR EXHAUST GAS LEAK Allow the engine to idle and rev the engine. Check for exhaust gas leaks around the heated oxygen sensor. If any exhaust gas leaks are present, repair them and proceed to "Perform Confirmation Driving Pattern" 4 . If no exhaust gas leaks are present proceed to "Perform Confirmation Driving Pattern". HINT: If no exhaust gas leaks are present, a malfunction in the heated oxygen sensor circuit is suspected. If any exhaust gas leaks are present around the heated oxygen sensor, noise appears in the output voltage of the heated oxygen sensor. NEXT: Go to next step
4. PERFORM CONFIRMATION DRIVING PATTERN Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Connect the Techstream to the DLC3. Start the engine. Warm up the engine until the engine coolant temperature is 75°C (167°F) or higher. Perform the driving pattern. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws. Accelerate the vehicle to 80 km/h (50 mph) and stop the vehicle. Drive the vehicle between 56 and 80 km/h (35 and 50 mph) for 5 minutes. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to P0607 and P0136, P0137 or P0138 A Only P0607 B No DTC output C B --> See step 7 C --> See step 6 A: Go to next step
5. INSPECT DTC (P0136, P0137 OR P0138) Refer to the P0136, P0137 or P0138 flowchart. HINT: If P0136 is output, troubleshoot for that DTC first. Refer to «INSPECTION PROCEDURE»(ref-511389-S13577016202012102600000) . Then proceed to "Inspect ECM". If P0137 is output, troubleshoot for that DTC first. Refer to «INSPECTION PROCEDURE»(ref-511389-S13577016202012102600000) . Then proceed to "Inspect ECM". If P0138 is output, troubleshoot for that DTC first. Refer to «INSPECTION PROCEDURE»(ref-511389-S13577016202012102600000) . Then proceed to "Inspect ECM". If DTC P0607 and P0136, P0137 or P0138 are output, the output voltage of the heated oxygen sensor may remain close to 0 V or become high (around 1 V or higher). NEXT: Go to next step
6. INSPECT ECM Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Stop the engine and wait for 30 minutes. Connect the Techstream to the DLC3. Start the engine and allow it to idle for 2 minutes. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to DTC is not output A P0607 is output B B --> See step 7 A --> END
7. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the Techstream off.
5. Turn the ignition switch off.
6. Disconnect the Techstream.
7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
8. Connect the cable to the negative (-) battery terminal.
9. Connect the Techstream to the DLC3.
10. Turn the ignition switch to ON and turn the Techstream on.
11. Wait 16 seconds or more.
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
13. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15. Input the DTC: P060A.
16. 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.
17. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P060A) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch 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 to ON and turn the Techstream on. Wait 16 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to No output A P060A B B --> See step 3 A --> See step 2
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)
3. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the Techstream off.
5. Turn the ignition switch off.
6. Disconnect the Techstream.
7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
8. Connect the cable to the negative (-) battery terminal.
9. Connect the Techstream to the DLC3.
10. Turn the ignition switch to ON and turn the Techstream on.
11. Wait 16 seconds or more.
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
13. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15. Input the DTC: P060D.
16. 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.
17. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P060D) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch 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 to ON and turn the Techstream on. Wait 16 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness. Read DTCs. RESULT Result Proceed to No output A P060D B B --> See step 3 A --> See step 2
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)
3. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the Techstream off.
5. Turn the ignition switch off.
6. Disconnect the Techstream.
7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
8. Connect the cable to the negative (-) battery terminal.
9. Connect the Techstream to the DLC3.
10. Turn the ignition switch to ON and turn the Techstream on.
11. Wait 16 seconds or more.
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
13. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
14. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
15. Input the DTC: P060E.
16. 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.
17. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P060E) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch 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 to ON and turn the Techstream on. Wait 16 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to No output A P060E B B --> See step 3 A --> See step 2
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)
3. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

Scheme 261

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on [A].
6. Idle the engine for 5 seconds or more [B].
7. Drive the vehicle at 24 km/h (15 mph) or more for 20 seconds or more [C]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [D].
9. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
11. Input the DTC: P0617.
12. 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.
13. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 262

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and turn the Techstream off.
5. Disconnect the Techstream.
6. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
7. Connect the cable to the negative (-) battery terminal.
8. Connect the Techstream to the DLC3.
9. Turn the ignition switch to ON and turn the Techstream on.
10. Wait 30 seconds or more.
11. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
12. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
13. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
14. Input the DTC: P062F.
15. 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.
16. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P062F) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . 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 and turn the Techstream on. Wait 30 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to No output A P062F B B --> See step 2 A --> See step 3
2. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)
3. CHECK FOR INTERMITTENT PROBLEMS. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

COMPONENT OPERATING RANGE

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on.
6. Wait for 5 seconds or more.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
8. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10. Input the DTC: P0630.
11. 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.
12. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0630) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result 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 stored, the VIN must be input to the ECM using the Techstream. However, all DTCs are cleared automatically by the Techstream when inputting the VIN. If DTCs other than P0630 are stored, check them first. B --> See step 3 A: Go to next step
2. INPUT VIN Input VIN. Refer to «REGISTRATION»(ref-511384-S07832773862012102600000) . NEXT --> END
3. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-511384-S22208120472012102600000)

Note. After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Refer to PRECAUTION .

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the Techstream off.
5. Turn the ignition switch off.
6. Disconnect the Techstream.
7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
8. Connect the cable to the negative (-) battery terminal.
9. Turn the ignition switch to ON.
10. Wait 10 seconds or more.
11. Turn the ignition switch off.
12. Wait 15 seconds or more.
13. Connect the Techstream to the DLC3.
14. Turn the ignition switch to ON and turn the Techstream on.
15. Wait 5 seconds or more.
16. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
17. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
18. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
19. Input the DTC: P0657.
20. 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.
21. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. READ OUTPUT DTC (DTC P0657) Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-511384-S36374632912012102600000) . Turn the ignition switch 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. Turn the ignition switch to ON for 10 seconds or more. Turn the ignition switch off and wait for 15 seconds or more. Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Wait for 5 seconds or more. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read DTCs. RESULT Result Proceed to No output A P0657 B B --> See step 3 A --> See step 2
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-511384-S28868653262012102600000)
3. REPLACE ECM. Refer to «REMOVAL»(ref-511385-S33230492262012102600000)

The stop light switch remains ON during GO and STOP 5 times.

GO AND STOP ARE DEFINED AS FOLLOWS

Scheme 263

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
4. Turn the ignition switch off and wait for at least 30 seconds.
5. Turn the ignition switch to ON and turn the Techstream on [A].
6. Wait for 5 seconds.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
8. Read pending DTCs. HINT: If a pending DTC is output, the system is malfunctioning. If a pending DTC is not output, perform the following procedure.
9. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10. Input the DTC: P0724.
11. 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 INCOMPLETE or UNKNOWN, perform steps [C] through [E].
12. Start the engine [C].
13. Accelerate the vehicle to 30 km/h (18.65 mph) or more, depress the brake pedal and decelerate the vehicle to 3 km/h (1.86 mph) or less [D]. Repeat step [D] 5 times. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
14. Check the DTC judgment result [E].
15. 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-511384-S36374632912012102600000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.