Engine Control System (Diagnostic Codes (P01604-U101) & Circuit Tests)): Other Lexus ES XV40 facelift

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

TYPICAL MALFUNCTION THRESHOLDS

Scheme 117

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on.
6. Wait 16 seconds or more [A].
7. Enter the following menus: Powertrain / Engine / Trouble Codes.
8. Read the DTC [B].
9. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
11. Input the DTC: P1607.
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. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [A] again.
13. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
14. 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.
15. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

PROCEDURE

1. READ OUTPUT DTC (DTC P1607) Connect the Techstream to the DLC3. Turn the engine switch to on (IG). Turn the Techstream on. Clear DTC. Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) . Turn the engine 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 engine switch to 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 P1607 B B --> See step 3 A: Go to next step
2. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-396630-S16310885982011050900000)
3. REPLACE ECM. Refer to «COMPONENTS»(ref-396635-S32341521312011050900000)

ALL

P2102

P2103

P2102

P2103

Scheme 118

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Start the engine.
7. With the vehicle stationary, fully depress the accelerator pedal and quickly release it [B].
8. Check that 16 seconds or more have elapsed from the instant when the accelerator pedal is first depressed.
9. Enter the following menus: Powertrain / Engine / Trouble Codes.
10. Read the DTC [C].
11. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
12. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
13. Input the DTC: P2102 or P2103.
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 judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform step [B] again.
15. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
16. 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.
17. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

FAIL-SAFE

When either of these DTCs, as well as other DTCs relating to electronic throttle control system malfunctions is stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal opening angle, to allow the vehicle to continue running at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

Scheme 119

ALL

P2111 (THROTTLE ACTUATOR STUCK OPEN)

P2112 (THROTTLE ACTUATOR STUCK CLOSED)

P2111 (THROTTLE ACTUATOR STUCK OPEN)

P2112 (THROTTLE ACTUATOR STUCK CLOSED)

Scheme 120

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Start the engine and fully depress and release the accelerator pedal quickly (to fully open and close the throttle valve).
7. Enter the following menus: Powertrain / Engine / Trouble Codes.
8. Read the DTC [B].
9. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
11. Input the DTC: P2111 or P2112.
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'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, fully depress and release the accelerator pedal quickly.
13. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
14. 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.
15. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When either of these DTCs, as well as other DTCs relating to electronic throttle control system malfunctions is stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal opening angle, to allow the vehicle to continue running at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

1. INSPECT THROTTLE BODY ASSEMBLY (VISUALLY CHECK THROTTLE VALVE) Check for contamination between the throttle valve and the housing. If necessary, clean the throttle with motor body assembly. And check that the throttle valve moves smoothly. OK Throttle valve is not contaminated with foreign objects and moves smoothly. NG --> See step 3 OK: Go to next step
2. CHECK WHETHER DTC OUTPUT RECURS (DTC P2111 OR P2112) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) . Start the engine, and fully depress and release the accelerator pedal quickly (to fully open and close the throttle valve). Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. Result Result Proceed to DTC is not output A DTC P2111 or P2112 is output B B --> See step 4 A --> See step 5
3. REPLACE THROTTLE BODY ASSEMBLY. Refer to «REMOVAL»(ref-396635-S26235626152011050900000)
4. REPLACE ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000)
5. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-396630-S16310885982011050900000)

COMPONENT OPERATING RANGE

Scheme 121

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Start the engine.
7. Slowly depress the accelerator pedal, raise the engine speed to approximately 3000 rpm for approximately 5 seconds, and then idle the engine [B].
8. Enter the following menus: Powertrain / Engine / Trouble Codes.
9. Read the DTC [C].
10. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
11. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
12. Input the DTC: P2118.
13. 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 [B] and [C] again.
14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
15. 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.
16. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When this DTC or other DTCs relating to electronic throttle control system malfunctions, are stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal opening angle, to allow the vehicle to continue at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly. Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

Scheme 122

1. READ VALUE USING TECHSTREAM (+BM VOLTAGE) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / +BM voltage. Read the value displayed on the Techstream. Standard Voltage 11 to 14 V OK --> See step 3 NG: Go to next step
2. CHECK HARNESS AND CONNECTOR (ECM - BATTERY, BODY GROUND) Disconnect the ECM connectors. Measure the voltage according to the value(s) in the table below. Standard voltage Tester Connection Condition Specified Condition +BM (A10-3) - Body ground Always 11 to 14 V Measure the resistance according to the value(s) in the table below. Standard resistance (Check for open) Tester Connection Condition Specified Condition ME01 (B12-20) - Body ground Always Below 1 ohms E1 (B12-81) - Body ground Always Below 1 ohms Reconnect the ECM connector. OK --> See step 4 NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - BATTERY, BODY GROUND)
3. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-396630-S16310885982011050900000)
4. REPLACE ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000)

Scheme 123

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Start the engine.
7. Idle the engine for 20 seconds.
8. Enter the following menus: Powertrain / Engine / Trouble Codes.
9. Read the DTC [B].
10. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
11. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
12. Input the DTC: P2119.
13. 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, fully depress and release the accelerator pedal 3 times.
14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
15. Check the judgment result [C]. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
16. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When this DTC, as well as other DTCs relating to electronic throttle control system malfunctions is stored, the ECM enters fail-safe mode. During fail-safe mode, the ECM cuts the current to the throttle actuator, and the throttle valve is returned to a 6° throttle angle by the return spring. The ECM then adjusts the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with the accelerator pedal opening angle, to allow the vehicle to continue running at a minimal speed. If the accelerator pedal is depressed firmly and gently, the vehicle can be driven slowly. Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2119) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. Result Result Proceed to DTC P2119 is output A DTC P2119 and other DTCs are output B HINT: If any DTCs other than P2119 are output, troubleshoot those DTCs first. B --> See step 5 A: Go to next step
2. INSPECT THROTTLE BODY ASSEMBLY (RESISTANCE OF THROTTLE ACTUATOR) Disconnect the throttle body assembly connector. Measure the resistance according to the value(s) in the table below. Standard resistance Tester Connection Condition Specified Condition M+ (2) - M- (1) 20°C (68°F) 0.3 to 100 ohms Reconnect the throttle body assembly connector. NG --> See step 6 OK: Go to next step
3. REPLACE ECM Replace the ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000) . NEXT: Go to next step
4. CHECK WHETHER DTC OUTPUT RECURS (DTC P2119) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) . Allow the engine to idle for 20 seconds. Fully depress and release the accelerator pedal 3 times quickly. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. HINT: The output voltage of the throttle position sensor can be checked using the Techstream. Variations in the output voltage indicate that the throttle actuator is in operation. To check the output voltage using the Techstream, enter the following menus: Powertrain / Engine / Data List / Throttle Position No. 1. Result Result Proceed to DTC is not output A DTC P2119 is output B B --> See step 6 A: END
5. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-396630-S19862863392011050900000)
6. REPLACE THROTTLE BODY ASSEMBLY. Refer to «REMOVAL»(ref-396635-S26235626152011050900000)

P2120

P2122

P2123

P2125

P2127

P2128

P2138

Scheme 124

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Fully depress and release the accelerator pedal [B].
7. Check that 5 seconds or more have elapsed since the DTCs were cleared.
8. Enter the following menus: Powertrain / Engine / Trouble Codes.
9. Read the DTC [C].
10. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
11. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
12. Input the DTC: P2120, P2122, P2123, P2125, P2127, P2128 or P2138.
13. 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 step [B] again.
14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
15. 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.
16. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

When any of DTCs P2120, P2121, P2122, P2123, P2125, P2127, P2128 and P2138 are set, the ECM enters fail-safe mode. If either of the 2 sensor circuits malfunctions, the ECM uses the remaining circuit to calculate the accelerator pedal position to allow the vehicle to continue driving. If both of the circuits malfunction, the ECM regards the accelerator pedal as being released. As a result, the throttle valve is closed and the engine idles.

Fail-safe mode continues until a pass condition is detected, and the engine switch is then turned off.

Scheme 125

Scheme 126

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream ON.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Fully depress and release the accelerator pedal [B].
7. Check that 20 seconds or more have elapsed since the DTCs were cleared.
8. Enter the following menus: Powertrain / Engine / Trouble Codes.
9. Read the DTC [C].
10. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
11. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
12. Input the DTC: P2121.
13. 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 step [B] again.
14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
15. 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.
16. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

The accelerator pedal position sensor has two (main and sub) sensor circuits. If a malfunction occurs in either of the sensor circuits, the ECM detects the abnormal signal voltage difference between the two sensor circuits and switches to limp mode. In limp mode, the functioning circuit is used to calculate the accelerator pedal opening angle to allow the vehicle to continue driving. If both circuits malfunction, the ECM regards the opening angle of the accelerator pedal as being fully closed. In this case, the throttle valve remains closed as if the engine is idling.

If a pass condition is detected and then the engine switch is turned off, the fail-safe operation stops and the system returns to a normal condition.

1. READ VALUE USING TECHSTREAM (ACCEL SENSOR OUT NO. 1 AND NO. 2) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Accel Sensor Out No. 1 and Accel Sensor Out No. 2. Read the values displayed on the Techstream. Standard voltage Accelerator Pedal Condition Accel Sensor Out No. 1 Accel Sensor Out No. 2 Released 0.5 to 1.1 V 1.2 to 2.0 V Depressed 2.6 to 4.5 V 3.4 to 5.0 V OK --> See step 3 NG: Go to next step
2. CHECK HARNESS AND CONNECTOR (ACCELERATOR PEDAL POSITION SENSOR - ECM) Disconnect the A2 Accelerator Pedal Position (APP) sensor connector. Disconnect the A10 ECM connector. Measure the resistance according to the value(s) in the table below. Standard resistance (Check for open) Tester Connection Specified Condition VPA (A2-6) - VPA (A10-55) Below 1 ohms EPA (A2-5) - EPA (A10-59) Below 1 ohms VCPA (A2-4) - VCPA (A10-57) Below 1 ohms VPA2 (A2-3) - VPA2 (A10-56) Below 1 ohms EPA2 (A2-2) - EPA2 (A10-60) Below 1 ohms VCP2 (A2-1) - VCP2 (A10-58) Below 1 ohms Standard resistance (Check for short) Tester Connection Specified Condition VPA (A2-6) or VPA (A10-55) - body ground 10 kohms or higher EPA (A2-5) or EPA (A10-59) - body ground 10 kohms or higher VCPA (A2-4) or VCPA (A10-57) - body ground 10 kohms or higher VPA2 (A2-3) or VPA2 (A10-56) - body ground 10 kohms or higher EPA2 (A2-2) or EPA2 (A10-60) - body ground 10 kohms or higher VCP2 (A2-1) or VCP2 (A10-58) - body ground 10 kohms or higher Reconnect the APP sensor connector. Reconnect the ECM connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. REPLACE ACCELERATOR PEDAL ROD ASSEMBLY NEXT: Go to next step
4. CHECK WHETHER DTC OUTPUT RECURS (ACCELERATOR PEDAL POSITION SENSOR DTCS) Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) . Start the engine. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. Result Display (DTC Output) Proceed to P2121 A No output B B --> END A: Go to next step
5. REPLACE ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000)

ALL

SENSOR VOLTAGE DETECTION MONITOR

SENSOR CURRENT DETECTION MONITOR

SENSOR VOLTAGE DETECTION MONITOR (LEAN SIDE MALFUNCTION P2195, P2197)

SENSOR VOLTAGE DETECTION MONITOR (RICH SIDE MALFUNCTION P2196, P2198)

SENSOR CURRENT DETECTION MONITOR (HIGH SIDE MALFUNCTION P2195, P2197)

SENSOR CURRENT DETECTION MONITOR (LOW SIDE MALFUNCTION P2196, P2198)

MONITOR RESULT

Refer to CHECKING MONITOR STATUS. Refer to CHECK MODE PROCEDURE .

Scheme 127

CONFIRMATION DRIVING PATTERN

HINT

This confirmation driving pattern is used in the "Perform Confirmation Driving Pattern" procedure of the following diagnostic troubleshooting procedure.

Scheme 128

Scheme 129

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
5. Turn the engine switch off and wait for 30 seconds.
6. Turn the engine switch on (IG) and turn the Techstream on.
7. Start the engine, and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher [A].
8. On the Techstream, enter the following menus to check the fuel-cut status: Powertrain / Engine / Data List / All Data / Idle Fuel Cut.
9. Drive the vehicle at between 38 and 75 mph (60 and 120 km/h) for at least 10 minutes [B]. WARNING: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
10. Change the transmission to the 2nd gear [C].
11. Accelerate the vehicle to 40 mph (64 km/h) or more by depressing the accelerator pedal for at least 10 seconds [D].
12. Soon after performing step [D] above, release the accelerator pedal for at least 5 seconds without depressing the brake pedal in order to execute fuel-cut control [E]. HINT: Fuel-cut is performed when the following conditions are met: Accelerator pedal is fully released. Engine speed is 2500 rpm or more (fuel injection returns at 1000 rpm).
13. Allow the vehicle to decelerate until the vehicle speed decreases to less than 6 mph (10 km/h).
14. Repeat steps [C] through [E] above at least 3 times in one driving cycle.
15. Enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
16. Read the pending DTC [F].
17. If a pending DTC is output, the system is malfunctioning. HINT: If a pending DTC is not output, perform the following procedure.
18. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
19. Input the DTC: P2195, P2196, P2197 or P2198.
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 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 [B] through [E].
21. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
22. 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.
23. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

P2237 AND P2240 (AIR FUEL RATIO SENSOR OPEN CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A-)

P2238 AND P2241 (OPEN CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A-)

OTHERS

P2237 AND P2240 (OPEN CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A-)

P2238 AND P2241 (LOW ADMITTANCE)

P2238 AND P2241 (SHORT CIRCUIT BETWEEN A1A+ AND GND/A2A+ AND GND)

P2238 AND P2241 (SHORT CIRCUIT BETWEEN A1A+ AND A1A-/A2A+ AND A2A-)

P2239 AND P2242 (SHORT CIRCUIT BETWEEN A1A+ AND +B/A2A- AND +B)

P2252 AND P2255 (SHORT CIRCUIT BETWEEN A1A- AND GND/A2A- AND GND)

P2253 AND P2256 (SHORT CIRCUIT BETWEEN A1A- AND +B/A2A- AND +B)

Scheme 130

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Start the engine and wait 2 minutes.
7. Enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
8. Read the pending DTC [B].
9. If a pending DTC is output, the system is malfunctioning. HINT: If a pending DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
11. Input the DTC: P2237, P2238, P2239, P2240, P2241, P2242, P2252, P2253, P2255 or P2256.
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. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, idle the engine for 3 minutes.
13. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
14. Check the judgment result [C]. HINT: If the judgment result shows ABNORMAL, the system has a malfunction. If the judgment result shows NORMAL, the system is normal.
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-396630-S12048003312011050900000) . 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 .

Scheme 131

Note. The Evaporative System Check (Automatic Mode) consists of 5 steps performed automatically by the Techstream. It takes a maximum of approximately 18 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 engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine / Utility / Evaporative System Check / Automatic Mode [A].
7. After the "Evaporative System Check" is completed, check for All Readiness by entering the following menus: Powertrain / Engine / Trouble Codes / Pending.
8. Read the pending DTC [B].
9. If a pending DTC is output, the system is malfunctioning. HINT: If a pending DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
11. Input the DTC: P2420.
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. If the judgment result shows NORMAL, the system is normal. If the judgment result shows INCOMPLETE or UNKNOWN, perform step [B].
13. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
14. 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.
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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

ALL

CASE 1

CASE 2

CASE 3

CASE 1

CASE 2

CASE 3

Scheme 132

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Start the engine.
7. Idle the engine for 10 minutes or more [B].
8. Enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
9. Read the pending DTC [C].
10. If a pending DTC is output, the system is malfunctioning. HINT: If a pending DTC is not output, perform the following procedure.
11. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
12. Input the DTC: P2610.
13. 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 step [B] again.
14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
15. 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.
16. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

1. REPLACE ECM Replace the ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000) . NEXT: Go to next step
2. CHECK WHETHER DTC OUTPUT RECURS Connect the Techstream to the DLC3. Turn the engine switch on (IG). Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) . Start the engine and wait for 10 minutes or more. On the Techstream, enter the following menu items: Powertrain / Engine / Trouble Codes / Pending. If no pending DTC is displayed, the repair has been successfully completed. NEXT: END

Scheme 133

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure). Refer to «DTC CHECK / CLEAR»(ref-396630-S12048003312011050900000) .
4. Turn the engine switch off and wait for 30 seconds.
5. Turn the engine switch on (IG) and turn the Techstream on [A].
6. Wait 5 seconds or more.
7. Enter the following menus: Powertrain / Engine / Trouble Codes.
8. Read the DTC [B].
9. If a DTC is output, the system is malfunctioning. HINT: If a DTC is not output, perform the following procedure.
10. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
11. Input the DTC: U0101.
12. Check the DTC judgment result [B]. 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 [A] again.
13. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
14. 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.
15. 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-396630-S12048003312011050900000) . HINT: If a permanent DTC is output, the system is malfunctioning. If no permanent DTC is output, the system is normal.

Scheme 134

Scheme 135

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC U0101) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. Result Display (DTC output) Proceed to U0101 A U0101 and other DTCs B A--> See step 3 B: Go to next step
2. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-396630-S19862863392011050900000)
3. CHECK TCM TERMINAL VOLTAGE (+B AND E1 TERMINALS) Disconnect the TCM connector. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard voltage Tester Connection Switch Condition Specified Condition +B (B40-18) - E1 (B40-8) Always 9 to 14 V BATT (B40-1) - E1 (B40-8) Engine switch on (IG) 9 to 14 V Turn the engine switch off. Measure the resistance according to the value(s) in the table below. Standard resistance (check foe open) Tester Connection Specified Condition E1 (B40-8) - Body ground Below 1 ohms Reconnect the TCM connector. NG --> GO TO APPROPRIATE TCM POWER SOURCE CIRCUIT INFORMATION OK: Go to next step
4. CHECK HARNESS AND CONNECTOR Disconnect the B40 TCM connector. Disconnect the B12 ECM connector. Measure the resistance according to the value(s) in the table below. Standard resistance Tester Connection Specified Condition CAN+ (B40-6) - CAN+ (B12-2) Below 1 ohms CAN- (B40-7) - CAN- (B12-1) Below 1 ohms CAN+ (B40-6) or CAN+ (B12-2) - Body ground 1 Mohms or more CAN- (B40-7) or CAN- (B12-1) - Body ground 1 Mohms or more Reconnect the TCM connector. Reconnect the ECM connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
5. REPLACE ECM Replace the ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000) . NOTE: Replace the ECM with an ECM from a normally functioning vehicle of the same model. NEXT: Go to next step
6. CHECK IF DTC RECURS Connect Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Turn the engine switch off. Turn the engine switch on (IG) and turn the Techstream on. Wait 5 seconds or more. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. Result Display (DTC Output) Proceed to U0101 A No DTC B A --> See step 8 B: Go to next step
7. END. Refer to «REMOVAL»(ref-396635-S35871318042011050900000)
8. REPLACE TCM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000)

RELATED DTCS

If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.

Scheme 136

Note. If the reference pressure difference between the first and second checks is greater than the specification, all the DTCs relating to the reference pressure (P043E, P043F, P2401, P2402 and P2419) are stored.

Scheme 137

Scheme 138

Note. In this vehicle's EVAP system, turning ON the vent valve does not seal off the EVAP system. To check for leaks in the EVAP system, disconnect the air inlet vent hose and apply pressure from the atmospheric side of the canister.

While the engine is running, if a predetermined condition (closed-loop, etc.) is met, the purge VSV is opened by the ECM and fuel vapors stored in the canister are purged into the intake manifold. The ECM changes the duty cycle ratio of the purge VSV to control purge flow volume.

The purge flow volume is also determined by the intake manifold pressure. Atmospheric pressure is allowed into the canister through the vent valve to ensure that the purge flow is maintained when negative pressure (vacuum) is applied to the canister.

The following two monitors run to confirm the appropriate EVAP system operation.

Scheme 139

Scheme 140

Scheme 141

Scheme 142

1. Key-off monitor This monitor checks for EVAP (Evaporative Emission) system leaks and canister pump module malfunctions. The monitor starts 5 hours* after the engine switch is turned off. At least 5 hours are required for the fuel to cool down to stabilize the EVAP pressure, thus making the EVAP system monitor more accurate. The leak detection pump creates negative pressure (vacuum) in the EVAP system and the pressure is measured. Finally, the ECM monitors for leaks from the EVAP system, and malfunctions in both the canister pump module and purge VSV, based on the EVAP pressure. HINT: *: If the engine coolant temperature is not below 35°C (95°F) 5 hours after the engine switch is turned off, the monitor check starts 2 hours later. If it is still not below 35°C (95°F) 7 hours after the engine switch is turned off, the monitor check starts 2.5 hours later.
2. Purge flow monitor The purge flow monitor consists of the two monitors. The 1st monitor is conducted every time and the 2nd monitor is activated if necessary. The 1st monitor While the engine is running and the purge VSV (Vacuum Switching Valve) is ON (open), the ECM monitors the purge flow by measuring the EVAP pressure change. If negative pressure is not created, the ECM begins the 2nd monitor. The 2nd monitor The vent valve is turned OFF (open) and the EVAP pressure is measured. If the variation in the pressure is less than 0.5 kPa (3.75 mmHg), the ECM interprets this as the purge VSV being stuck closed, and illuminates the MIL and sets DTC P0441 (2 trip detection logic). Atmospheric pressure check: In order to ensure reliable malfunction detection, the variation between the atmospheric pressures, before and after conduction of the purge flow monitor, is measured by the ECM. Components Operations Canister Contains activated charcoal to absorb EVAP (Evaporative Emissions) generated in fuel tank. Cut-off valve Located in fuel tank. Valve floats and closes when fuel tank is 100 % full. Purge VSV (Vacuum Switching Valve) Opens or closes line between canister and intake manifold. ECM uses purge VSV to control EVAP purge flow. In order to discharge EVAP absorbed by canister to intake manifold, ECM opens purge VSV. EVAP discharge volume to intake manifold is controlled by purge VSV duty cycle ratio (current-carrying time) (Open: ON; Closed: OFF). Refueling valve Controls EVAP pressure from fuel tank to canister. Valve consists of diaphragm, spring and restrictor (diameter: 0.08 inch). When fuel vapor and pressure inside fuel tank increase, valve opens. While EVAP is purged, valve closes and restrictor prevents large amount of vacuum from affecting pressure in fuel tank. Valve is opened while refueling. Roll-over valve Located in fuel tank. Valve is closed by its own weight when vehicle overturns to prevent fuel from spilling out. Soak timer Built into ECM. To ensure accurate EVAP monitor, measures 5 hours (+-15 min) after engine switch is turned off. This allows fuel to cool down, stabilizing EVAP pressure. When approximately 5 hours have elapsed, ECM is activated (Scheme 136) Canister pump module Consists of (a) to (d) below. Canister pump module cannot be disassembled. (a) Vent valve Vents and closes EVAP system. When ECM turns valve ON, EVAP system is closed. When ECM turns valve off, EVAP system is vented. Negative pressure (vacuum) is created in EVAP system to check for EVAP leaks by closing purge VSV, turning on vent valve (closed) and operating leak detection pump (Scheme 134) (b) Canister pressure sensor Indicates pressure as voltages. ECM supplies regulated 5 V to canister pressure sensor, and uses feedback from sensor to monitor EVAP system pressure (Scheme 135) (c) Leak detection pump Creates negative pressure (vacuum) in EVAP system for leak check. (d) Reference orifice Has opening with 0.02 inch diameter. Vacuum is produced through orifice by closing purge VSV, turning off vent valve and operating leak detection pump, to monitor reference pressure. Reference pressure indicates small leak of EVAP.

Scheme 143

HINT

After a repair, check Monitor Status by performing the Key-Off Monitor Confirmation and Purge Flow Monitor Confirmation described below.

1. KEY-OFF MONITOR CONFIRMATION Preconditions The monitor will not run unless: The vehicle has been driven for 10 minutes or more (in a city area or on a freeway). The fuel tank is less than 90 % full. The altitude is less than 8000 ft (2400 m). The Engine Coolant Temperature (ECT) is between 4.4°C and 35°C (40°F and 95°F). The Intake Air Temperature (IAT) is between 4.4°C and 35°C (40°F and 95°F). The vehicle remains stationary (the vehicle speed is 0 mph (0 km/hr)). Monitor Conditions Allow the engine to idle for at least 5 minutes. Turn the engine switch off and wait for 6 hours (8 or 10.5 hours). HINT: Do not start the engine until checking MONITOR STATUS. If the engine is started, the steps described above must be repeated. Monitor Status Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Select the following menu items: Powertrain / Engine / Monitor / Status 2. Check the Monitor Status displayed on the Techstream. HINT: If INCMP is displayed, the monitor is not complete. Make sure that the preconditions have been met, and perform the Monitor Conditions again.
2. PURGE FLOW MONITOR CONFIRMATION (P0441) HINT: Perform this monitor confirmation after the Key-Off Monitor Confirmation shows Compl (complete). Preconditions The monitor will not run unless: The vehicle has been driven for 10 minutes or more (in a city area or on a freeway) The ECT is between 4.4°C and 35°C (40°F and 95°F) The IAT is between 4.4°C and 35°C (40°F and 95°F) Monitor Conditions Release the pressure from the fuel tank by removing and reinstalling the fuel cap. Warm the engine up until the ECT reaches more than 75°C (167°F). Increase the engine speed to 3000 rpm once. Allow the engine to idle and turn A/C ON for 1 minute. Monitor Status Turn the engine switch off (if ON or the engine is running). Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Select the following menu items: Powertrain / Engine / Monitor / Status 2. Check the Monitor Status displayed on the Techstream. HINT: If Incomplete is displayed, the monitor is not complete. Make sure that the preconditions have been met, and perform the Monitor Conditions again.

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

1. CHECK MIL Check that Malfunction Indicator Lamp (MIL) lights up when turning the engine switch on (IG). OK MIL lights up. OK --> See step 12 NG: Go to next step
2. CHECK CONNECTION BETWEEN TECHSTREAM AND ECM Connect the Techstream to the DLC3. Turn the engine switch on (IG) and turn the Techstream on. Check the communication between the Techstream and ECM. Result Result Proceed to Communication is possible A Communication is not possible B A --> See step 12 B: Go to next step
3. CHECK THROTTLE BODY ASSEMBLY (CHECK MIL ILLUMINATED) Disconnect the throttle body connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the throttle body connector. A --> See step 13 B: Go to next step
4. CHECK ACCELERATOR PEDAL ASSEMBLY (CHECK MIL ILLUMINATED) Disconnect the accelerator pedal position sensor connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the accelerator pedal position sensor connector. A --> See step 14 B: Go to next step
5. CHECK VVT SENSOR FOR INTAKE CAMSHAFT BANK 1 (CHECK MIL ILLUMINATED) Disconnect the VVT sensor for intake camshaft bank 1 connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the VVT sensor for intake camshaft bank 1 connector. A --> See step 15 B: Go to next step
6. CHECK VVT SENSOR FOR EXHAUST CAMSHAFT BANK 1 (CHECK MIL ILLUMINATED) Disconnect the VVT sensor for exhaust camshaft bank 1 connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the VVT sensor for exhaust camshaft bank 1 connector. A --> See step 16 B: Go to next step
7. CHECK VVT SENSOR FOR INTAKE CAMSHAFT BANK 2 (CHECK MIL ILLUMINATED) Disconnect the VVT sensor for intake camshaft bank 2 connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the VVT sensor for intake camshaft bank 2 connector. A --> See step 17 B: Go to next step
8. CHECK VVT SENSOR FOR EXHAUST CAMSHAFT BANK 2 (CHECK MIL ILLUMINATED) Disconnect the VVT sensor for exhaust camshaft bank 2 connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the VVT sensor for exhaust camshaft bank 2 connector. A --> See step 18 B: Go to next step
9. CHECK CHARCOAL CANISTER ASSEMBLY (CHECK MIL ILLUMINATED) Disconnect the canister pump module connector. Turn the engine switch on (IG). Check the MIL. Result Result Proceed to MIL illuminates A MIL does not illuminate B Reconnect the canister pump module connector. A --> See step 19 B: Go to next step
10. CHECK HARNESS AND CONNECTOR Disconnect the throttle body connector. Disconnect the accelerator pedal position sensor connector. Disconnect the VVT sensor for intake camshaft bank 1 connector. Disconnect the VVT sensor for exhaust camshaft bank 1 connector. Disconnect the VVT sensor for intake camshaft bank 2 connector. Disconnect the VVT sensor for exhaust camshaft bank 2 connector. Disconnect the canister pump module connector. Disconnect the B12 and A10 ECM connectors. Measure the resistance according to the value(s) in the table below. Standard resistance (Check for short) Tester Connection Specified Condition VCTA (B12-96) - Body ground 10 kohms or higher VCV1 (B12-115) - Body ground 10 kohms or higher VCV2 (B12-113) - Body ground 10 kohms or higher VCE1 (B12-114) - Body ground 10 kohms or higher VCE2 (B12-112) - Body ground 10 kohms or higher VCPA (A10-57) - Body ground 10 kohms or higher VCP2 (A10-58) - Body ground 10 kohms or higher VCPP (B12-75) - Body ground 10 kohms or higher Reconnect the ECM connectors. Reconnect the canister pump module connector. Reconnect the VVT sensor for exhaust camshaft bank 2 connector. Reconnect the VVT sensor for intake camshaft bank 2 connector. Reconnect the VVT sensor for exhaust camshaft bank 1 connector. Reconnect the VVT sensor for intake camshaft bank 1 connector. Reconnect the accelerator pedal position sensor connector. Reconnect the throttle body connector. NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
11. REPLACE ECM. Refer to «REMOVAL»(ref-396635-S35871318042011050900000)
12. GO TO MIL CIRCUIT. Refer to «MIL Circuit»(ref-396633-S39502831992011050900000)
13. REPLACE THROTTLE BODY ASSEMBLY. Refer to «REMOVAL»(ref-396635-S26235626152011050900000)
14. REPLACE ACCELERATOR PEDAL ASSEMBLY. Refer to «REMOVAL»(ref-396635-S39645360252011050900000)
15. REPLACE VVT SENSOR FOR INTAKE CAMSHAFT BANK 1. Refer to «REMOVAL»(ref-396635-S34495565042011050900000)
16. REPLACE VVT SENSOR FOR EXHAUST CAMSHAFT BANK 1. Refer to «REMOVAL»(ref-396635-S34495565042011050900000)
17. REPLACE VVT SENSOR FOR INTAKE CAMSHAFT BANK 2. Refer to «REMOVAL»(ref-396635-S34495565042011050900000)
18. REPLACE VVT SENSOR FOR EXHAUST CAMSHAFT BANK 2. Refer to «REMOVAL»(ref-396635-S34495565042011050900000)
19. REPLACE CHARCOAL CANISTER ASSEMBLY. Refer to «REMOVAL»(ref-396640-S05144770852011050900000)