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Engine Control System (Diagnostic Codes (P0010-P0356)): Diagnosis Lexus ES XV60

Testing & Diagnostics 4 illustrations ~6721 words

INSPECTION PROCEDURE

HINT

  1. If DTC P0010 is output, check the VVT system (for intake camshaft of bank 1) circuit.
  2. If DTC P0020 is output, check the VVT system (for intake camshaft of bank 2) circuit.
  3. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  4. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  5. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

Abnormal BankTiming Over Advanced (Valve timing is out of specified range)Timing Over Retarded (Valve timing is out of specified range)
Bank 1P0011P0012
Bank 2P0021P0022
  1. If DTC P0011 or P0012 is output, check the VVT system (for intake camshaft of bank 1) circuit.
  2. If DTC P0021 or P0022 is output, check the VVT system (for intake camshaft of bank 2) circuit.
  3. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  4. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  5. DTC P0011, P0012, P0021 or P0022 may be stored when foreign objects in the engine oil are caught in some parts of the system. The DTC will remain stored even if the system returns to normal after a short time. Those foreign objects may then be captured by the oil filter.
  6. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

  1. If DTC P0013 is output, check the VVT system (for exhaust camshaft of bank 1) circuit.
  2. If DTC P0023 is output, check the VVT system (for exhaust camshaft of bank 2) circuit.
  3. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  4. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  5. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

Abnormal BankTiming Over Advanced (Valve timing is out of specified range)Timing Over Retarded (Valve timing is out of specified range)
Bank 1P0014P0015
Bank 2P0024P0025
  1. If DTC P0014 or P0015 is output, check the VVT system (for exhaust camshaft of bank 1) circuit.
  2. If DTC P0024 or P0025 is output, check the VVT system (for exhaust camshaft of bank 2) circuit.
  3. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  4. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  5. DTC P0014, P0015, P0024 or P0025 may be stored when foreign objects in the engine oil are caught in some parts of the system. The DTC will remain stored even if the system returns to normal after a short time. Those foreign objects may then be captured by the oil filter.
  6. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

  1. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  2. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  3. The monitor for this DTC detects when the timing chain is shifted by one tooth or more.
  4. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

  1. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  2. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  3. The monitor for this DTC detects when the timing chain is shifted by one tooth or more.
  4. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

  1. Refer to "Data List / Active Test" [A/F Heater Duty #1 and A/F Heater Duty #2]. Refer to «DATA LIST / ACTIVE TEST [06/2012 - ]»(ref-598472-S10277657772014021400000) .
  2. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  3. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  4. Sensor 1 refers to the sensor closest to the engine assembly.
  5. Sensor 2 refers to the sensor farthest away from the engine assembly.
  6. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred
  7. Change the fuel injection volume using the Control the Injection Volume for A/F Sensor function provided in the Active Test and monitor the air fuel ratio sensor output voltage. Refer to «INSPECTION PROCEDURE»(ref-598601-S01014776222014021400000) . If the sensor output voltage does not change (almost no reaction) while performing the Active Test, the sensor may be malfunctioning.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

  1. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  2. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  3. Sensor 1 refers to the sensor closest to the engine assembly.
  4. Sensor 2 refers to the sensor farthest away from the engine assembly.
  5. Refer to "Data List / Active Test" [O2 Heater B1S2, O2 Heater B2S2, O2 Heater Curr Val B1S2 and O2 Heater Curr Val B2S2]. Refer to «DATA LIST / ACTIVE TEST [06/2012 - ]»(ref-598472-S10277657772014021400000) .
  6. When the values for the Data List items O2 Heater Curr Val B1S2 and O2 Heater Curr Val B2S2 are not 0 A, the heaters are on.
  7. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  8. Change the fuel injection volume using the Control the Injection Volume for A/F Sensor function provided in the Active Test and monitor the heated oxygen sensor output voltage. Refer to «INSPECTION PROCEDURE»(ref-598601-S01014776222014021400000) . If the sensor output voltage does not change (almost no reaction) while performing the Active Test, the sensor may be malfunctioning.

Scheme 144

Scheme 144: PROCEDURE
Scheme 144: PROCEDURE
  1. INSPECT HEATED OXYGEN SENSOR (HEATER RESISTANCE) Inspect the heated oxygen sensor. Refer to «INSPECTION [06/2012 - ]»(ref-598604-S12846114912014021400000) . NG --> See step 7 OK: Go to next step
  2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF HEATED OXYGEN SENSOR) Disconnect the heated oxygen sensor connector. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition D19-2 (+B) - Body ground Engine switch on (IG) 11 to 14 V D17-2 (+B) - Body ground Engine switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *1 Bank 1 *2 Bank 2 *a Front view of wire harness connector (to Heated Oxygen Sensor) - - NG --> See step 5 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (HEATED OXYGEN SENSOR - ECM) Disconnect the heated oxygen sensor connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D19-1 (HT1B) - D23-28 (HT1B) Always Below 1 ohms D17-1 (HT2B) - D23-22 (HT2B) Always Below 1 ohms D19-1 (HT1B) or D23-28 (HT1B) - Body ground Always 10 kohms or higher D17-1 (HT2B) or D23-22 (HT2B) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P0037, P0038, P0057, P0058, P0141, P0161, P102D OR P105D) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598472-S02009234142014021400000) . Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the pending DTCs. RESULT Result Proceed to DTC is not output A DTC P0037, P0038, P0057, P0058, P0141, P0161, P102D or P105D is output B B --> See step 6 A --> See step 8
  5. CHECK HARNESS AND CONNECTOR (HEATED OXYGEN SENSOR - NO. 1 INTEGRATION RELAY) Disconnect the heated oxygen sensor connector. Remove the No. 1 integration relay from the engine room relay block and junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D19-2 (+B) - 1A-8 Always Below 1 ohms D17-2 (+B) - 1A-8 Always Below 1 ohms D19-2 (+B) or 1A-8 - Body ground Always 10 kohms or higher D17-2 (+B) or 1A-8 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 9
  6. REPLACE ECM. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S28038138762014021400000)
  7. REPLACE HEATED OXYGEN SENSOR. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S12843627812014021400000)
  8. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [06/2012 - ]»(ref-598472-S09889535102014021400000)
  9. REPLACE NO. 1 INTEGRATION RELAY. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S05116938722014021400000)

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

  1. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  2. If DTC P0117 is stored, check that the engine does not overheat (the DTC P0117 may be stored due to engine overheating).

HINT

  1. If any of DTCs P0115, P0117 or P0118 are output simultaneously with DTC P0116, the engine coolant temperature sensor may have an open or a short circuit. Troubleshoot those DTCs first.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  3. When the DTC is output, check the engine coolant temperature using the Techstream. Enter the following menus: Powertrain / Engine / Data List / Primary / Coolant Temp. If the Coolant Temp value is lower than the actual engine coolant temperature, the engine coolant temperature sensor circuit may be malfunctioning. In this case, check the wire harnesses and connectors (and those connections) between the ECM and the engine coolant temperature sensor first.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Scheme 145

Scheme 145: PROCEDURE
Scheme 145: PROCEDURE
  1. READ VALUE USING TECHSTREAM (THROTTLE POSITION SENSOR) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Gas Throttle / Throttle Position No. 1 and Throttle Position No. 2. Read the values displayed on the Techstream. RESULT When Accelerator Pedal Fully Released When Accelerator Pedal Fully Depressed Trouble Area Proceed to Throttle Position No. 1 (VTA1) Throttle Position No. 2 (VTA2) Throttle Position No. 1 (VTA1) Throttle Position No. 2 (VTA2) 0 to 0.2 V 0 to 0.2 V 0 to 0.2 V 0 to 0.2 V VCTA circuit open A 4.5 to 4.98 V 4.5 to 4.98 V 4.5 to 4.98 V 4.5 to 4.98 V ETA circuit open 0 to 0.2 V, or 4.5 to 4.98 V 2.1 to 3.1 V (Fail-safe) 0 to 0.2 V, or 4.5 to 4.98 V 2.1 to 3.1 V (Fail-safe) VTA1 circuit open or shorted to ground 0.6 to 1.4 V (Fail-safe) 0 to 0.2 V, or 4.5 to 4.98 V 0.6 to 1.4 V (Fail-safe) 0 to 0.2 V, or 4.5 to 4.98 V VTA2 circuit open or shorted to ground 0.5 to 1.1 V 2.1 to 3.1 V 3.2 to 4.8 V (Not fail-safe) 4.6 to 4.98 V (Not fail-safe) Throttle position sensor circuit normal B HINT: DTC P0121 is stored when the VTA1 and VTA2 output voltages are not consistent with the sensor characteristics. Therefore, check the freeze frame data when this DTC is stored. Use the following formula to confirm the relative differences in voltage. Characteristic Sensor Output VTA2 x 0.8 is approximately equal to VTA1 + 1.11 V VTA1: Throttle Position No. 1 VTA2: Throttle Position No. 2 If DTC P0121 is output, proceed to "Check Harness And Connector (Throttle Position Sensor - ECM)". B --> See step 5 A: Go to next step
  2. CHECK HARNESS AND CONNECTOR (THROTTLE POSITION SENSOR - ECM) Disconnect the throttle body with motor assembly connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D15-5 (VC) - D23-126 (VCTA) Always Below 1 ohms D15-6 (VTA) - D23-128 (VTA1) Always Below 1 ohms D15-4 (VTA2) - D23-127 (VTA2) Always Below 1 ohms D15-3 (E2) - D23-125 (ETA) Always Below 1 ohms D15-5 (VC) or D23-126 (VCTA) - Body ground Always 10 kohms or higher D15-6 (VTA) or D23-128 (VTA1) - Body ground Always 10 kohms or higher D15-4 (VTA2) or D23-127 (VTA2) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  3. INSPECT ECM (VC VOLTAGE) Disconnect the throttle body with motor assembly connector. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition D15-5 (VC) - D15-3 (E2) Engine switch on (IG) 4.5 to 5.5 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Throttle Body with Motor Assembly) NG --> See step 6 OK: Go to next step
  4. REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY Replace the throttle body with motor assembly. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S05091202842014021400000) . HINT: Perform "Inspection After Repair" after replacing the throttle body with motor assembly. Refer to «INITIALIZATION [06/2012 - ]»(ref-598472-S27174589072014021400000) . NEXT: Go to next step
  5. CHECK WHETHER DTC OUTPUT RECURS (THROTTLE POSITION SENSOR DTCS) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598472-S02009234142014021400000) . Turn the engine switch off and wait for at least 30 seconds. Turn the engine switch on (IG). Turn the Techstream on. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. RESULT Result Proceed to DTC P0120, P0121, P0122, P0123, P0220, P0222, P0223, and/or P2135 are output A DTC is not output B B --> END A --> See step 6
  6. REPLACE ECM. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S28038138762014021400000)

HINT

  1. If any of DTCs P0115, P0117 or P0118 are output simultaneously with DTC P0125, the engine coolant temperature sensor may have an open or a short circuit. Troubleshoot those DTCs first.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

  1. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  2. When the DTC is output, check the engine coolant temperature using the Techstream. Enter the following menus: Powertrain / Engine / Data List / Primary / Coolant Temp. If the Coolant Temp value is lower than the actual engine coolant temperature, the engine coolant temperature sensor circuit may be malfunctioning. In this case, check the wire harnesses and connectors (and those connections) between the ECM and the engine coolant temperature sensor first.

HINT

Malfunctioning areas can be identified by performing the Control the Injection Volume for A/F Sensor function provided in the Active Test. The Control the Injection Volume for A/F Sensor function can help to determine whether the air fuel ratio sensor, heated oxygen sensor and other potential trouble areas are malfunctioning.

The following instructions describe how to conduct the Control the Injection Volume for A/F Sensor operation using the Techstream.

  1. Connect the Techstream to the DLC3.
  2. Start the engine.
  3. Turn the Techstream on.
  4. Warm up the engine at an engine speed of 2500 rpm for approximately 90 seconds.
  5. Enter the following menus: Powertrain / Engine / Active Test / Control the Injection Volume for A/F Sensor / AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2.
  6. Perform the Active Test operation with the engine idling (press the RIGHT or LEFT button to change the fuel injection volume).
  7. Monitor the output voltages of the air fuel ratio and heated oxygen sensors (AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2) displayed on the Techstream.

HINT

  1. The Control the Injection Volume for A/F Sensor operation lowers the fuel injection volume by 12.5% or increases the injection volume by 12.5%.
  2. Each sensor reacts in accordance with increases and decreases in the fuel injection volume.
Tester Display (Sensor)Injection VolumeStatusVoltage
AFS Voltage B1S1 AFS Voltage B2S1 (Air fuel ratio)12.5%RichBelow 3.1 V
12.5%LeanHigher than 3.4 V
O2S B1S2 O2S B2S2 (Heated oxygen)12.5%RichHigher than 0.55 V
12.5%LeanBelow 0.4 V

Note. The air fuel ratio sensor has an output delay of a few seconds and the heated oxygen sensor has a maximum output delay of approximately 20 seconds.

Case Air Fuel Ratio Sensor (Sensor 1) Output Voltage Heated Oxygen Sensor (Sensor 2) Output Voltage Main Suspected Trouble Area 1 - 2 Air fuel ratio sensor Air fuel ratio sensor heater Air fuel ratio sensor circuit 3 Heated oxygen sensor Heated oxygen sensor heater Heated oxygen sensor circuit 4 Fuel injector assembly Fuel pressure Gas leak from exhaust system (Air fuel ratio extremely rich or lean)

  1. Following the Control the Injection Volume for A/F Sensor procedure enables technicians to check and graph the voltage outputs of both the air fuel ratio and heated oxygen sensors.
  2. To display the graph, enter the following menus: Powertrain / Engine / Active Test / Control the Injection Volume for A/F Sensor / AFS Voltage B1S1 and O2S B1S2 or AFS Voltage B2S1 and O2S B2S2; then press the view button.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

  1. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  2. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  3. Sensor 1 refers to the sensor closest to the engine assembly.
  4. Sensor 2 refers to the sensor farthest away from the engine assembly.
  5. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

  1. A low air fuel ratio sensor voltage could be caused by a rich air fuel mixture. Check for conditions that would cause the engine to run rich.
  2. A high air fuel ratio sensor voltage could be caused by a lean air fuel mixture. Check for conditions that would cause the engine to run lean.
  3. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was moving or stationary, whether the engine was warmed up or not, whether the air fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction.
  4. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  5. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  6. Sensor 1 refers to the sensor closest to the engine assembly.
  7. Sensor 2 refers to the sensor farthest away from the engine assembly.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

  1. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  2. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  3. Sensor 1 refers to the sensor closest to the engine assembly.
  4. Sensor 2 refers to the sensor farthest away from the engine assembly.
  5. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  6. A low air fuel ratio sensor voltage could be caused by a rich air fuel mixture. Check for conditions that would cause the engine to run rich.
  7. A high air fuel ratio sensor voltage could be caused by a lean air fuel mixture. Check for conditions that would cause the engine to run lean.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

  1. If any DTCs other than misfire DTCs are output, troubleshoot those DTCs first.
  2. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
  3. If the misfire does not recur when the vehicle is brought to the workshop, reproduce the conditions stored in the ECM as freeze frame data.
  4. If the misfire still cannot be reproduced even though the conditions stored in the ECM as freeze frame data have been reproduced, one of the following factors is considered to be a possible cause of the problem: There was insufficient fuel in the tank. Improper fuel was used. The spark plugs have been contaminated. The problem requires further diagnosis.
  5. After finishing repairs, check the misfire counts of the cylinders (Cylinder #1 Misfire Count to Cylinder #6 Misfire Count).
  6. Be sure to confirm that no misfiring cylinder DTCs are stored again by conducting the confirmation driving pattern after finishing repairs.
  7. For 6 cylinder engine, the ECM intentionally does not set the specific misfiring cylinder DTCs at high engine speed. If misfires occur only in high engine speed areas, only DTC P0300 is set. In the event of DTC P0300 being present, perform the following operations: Clear the DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598472-S02009234142014021400000) . Start the engine and conduct the confirmation driving pattern. Read the misfiring counts of each cylinder or DTC(s) using the Techstream. Repair the cylinder(s) that has a high misfiring count or is indicated by the DTC. After finishing repairs, conduct the confirmation driving pattern again, in order to verify that DTC P0300 is not set.
  8. When one of Short FT #1, Long FT #1, Short FT #2 or Long FT #2 in the freeze frame data is outside the range of +/-15%, the air fuel ratio may be rich (-15% or less) or lean (+15% or higher).
  9. When Coolant Temp in the freeze frame data is less than 75°C (167°F), the misfires have occurred only while warming up the engine.
  10. An extremely imbalanced drive wheel which causes body vibration may cause misfire DTCs to be stored.

HINT

  1. DTCs P0327 and P0328 are for the bank 1 knock control sensor circuit.
  2. DTCs P0332 and P0333 are for the bank 2 knock control sensor circuit.
  3. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  4. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  5. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Scheme 146

Scheme 146: PROCEDURE
Scheme 146: PROCEDURE
  1. READ VALUE USING TECHSTREAM (KNOCK FEEDBACK VALUE) Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Warm up the engine. Enter the following menus: Powertrain / Engine / Data List / Primary / Knock Feedback Value. Read the value while driving the vehicle. OK The value changes. HINT: Malfunction does not occur Knock Feedback Value changes Malfunctions occur Knock Feedback Value does not change The Knock Feedback Value change can be confirmed by running the engine with a high load, for example, by activating the air conditioning system and racing the engine. NG --> See step 2 OK --> See step 7
  2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF KNOCK CONTROL SENSOR) Disconnect the knock control sensor connector. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition a2-1 - a2-2 Engine switch on (IG) 4.5 to 5.5 V a1-1 - a1-2 Engine switch on (IG) 4.5 to 5.5 V TEXT IN ILLUSTRATION *1 Bank 1 *2 Bank 2 *a Front view of wire harness connector (to Knock Control Sensor) NG --> See step 4 OK: Go to next step
  3. INSPECT KNOCK CONTROL SENSOR Inspect the knock control sensor. Refer to «INSPECTION [06/2012 - ]»(ref-598604-S24218531352014021400000) . HINT: Perform "Inspection After Repair" after replacing the knock control sensor. Refer to «INITIALIZATION [06/2012 - ]»(ref-598472-S27174589072014021400000) . NG --> See step 6 OK --> See step 5
  4. CHECK HARNESS AND CONNECTOR (KNOCK CONTROL SENSOR - ECM) Disconnect the knock control sensor connector. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition a2-2 - D23-83 (KNK1) Always Below 1 ohms a2-1 - D23-115 (EKNK) Always Below 1 ohms a1-2 - D23-84 (KNK2) Always Below 1 ohms a1-1 - D23-116 (EKN2) Always Below 1 ohms a2-2 or D23-83 (KNK1) - Body ground Always 10 kohms or higher a2-1 or D23-115 (EKNK) - Body ground Always 10 kohms or higher a1-2 or D23-84 (KNK2) - Body ground Always 10 kohms or higher a1-1 or D23-116 (EKN2) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 5
  5. REPLACE ECM. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S28038138762014021400000)
  6. REPLACE KNOCK CONTROL SENSOR. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S12913754872014021400000)
  7. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS [06/2012 - ]»(ref-598472-S09889535102014021400000)

HINT

  1. After performing the inspection procedure for the crankshaft position sensor, if DTC P0335 is output again, check the following items related to the VVT sensor. Installation condition of the VVT sensor Installation condition of the camshaft Connection of the VVT sensor connector
  2. If no problem is found through this diagnostic troubleshooting procedure, troubleshoot the engine mechanical system.
  3. The engine speed can be checked by using the Techstream. To perform the check, follow the procedures below: Connect the Techstream to the DLC3. Start the engine. Turn the Techstream on. Enter the following menus: Powertrain / Engine / Data List / Primary / Engine Speed. The engine speed may be indicated as zero despite the engine running normally. This is caused by a lack of NE signals from the crankshaft position sensor. Alternatively, the engine speed may be indicated as lower than the actual engine speed if the crankshaft position sensor output voltage is insufficient.
  4. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

HINT

  1. If no problem is found through this diagnostic troubleshooting procedure, there may be a mechanical problem with the engine.
  2. Bank 1 refers to the bank that includes the No. 1 cylinder*. *: The No. 1 cylinder is the cylinder which is farthest from the transaxle.
  3. Bank 2 refers to the bank that does not include the No. 1 cylinder.
  4. Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Note. Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

Scheme 147

Scheme 147: PROCEDURE
Scheme 147: PROCEDURE
  1. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - BODY GROUND) Disconnect the ignition coil assembly connectors. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D33-4 (GND) - Body ground Always Below 1 ohms D37-4 (GND) - Body ground Always Below 1 ohms D34-4 (GND) - Body ground Always Below 1 ohms D38-4 (GND) - Body ground Always Below 1 ohms D35-4 (GND) - Body ground Always Below 1 ohms D40-4 (GND) - Body ground Always Below 1 ohms NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF IGNITION COIL ASSEMBLY) Disconnect the ignition coil assembly connectors. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition D33-1 (+B) - D33-4 (GND) Engine switch on (IG) 11 to 14 V D37-1 (+B) - D37-4 (GND) Engine switch on (IG) 11 to 14 V D34-1 (+B) - D34-4 (GND) Engine switch on (IG) 11 to 14 V D38-1 (+B) - D38-4 (GND) Engine switch on (IG) 11 to 14 V D35-1 (+B) - D35-4 (GND) Engine switch on (IG) 11 to 14 V D40-1 (+B) - D40-4 (GND) Engine switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Ignition Coil Assembly) NG --> See step 5 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM) Disconnect the ignition coil assembly connectors. Disconnect the ECM connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D33-3 (IGT1) - D23-107 (IGT1) Always Below 1 ohms D37-3 (IGT2) - D23-140 (IGT2) Always Below 1 ohms D34-3 (IGT3) - D23-106 (IGT3) Always Below 1 ohms D38-3 (IGT4) - D23-139 (IGT4) Always Below 1 ohms D35-3 (IGT5) - D23-105 (IGT5) Always Below 1 ohms D40-3 (IGT6) - D23-138 (IGT6) Always Below 1 ohms D33-2 (IGF) - D23-103 (IGF1) Always Below 1 ohms D37-2 (IGF) - D23-103 (IGF1) Always Below 1 ohms D34-2 (IGF) - D23-103 (IGF1) Always Below 1 ohms D38-2 (IGF) - D23-103 (IGF1) Always Below 1 ohms D35-2 (IGF) - D23-103 (IGF1) Always Below 1 ohms D40-2 (IGF) - D23-103 (IGF1) Always Below 1 ohms D33-3 (IGT1) or D23-107 (IGT1) - Body ground Always 10 kohms or higher D37-3 (IGT2) or D23-140 (IGT2) - Body ground Always 10 kohms or higher D34-3 (IGT3) or D23-106 (IGT3) - Body ground Always 10 kohms or higher D38-3 (IGT4) or D23-139 (IGT4) - Body ground Always 10 kohms or higher D35-3 (IGT5) or D23-105 (IGT5) - Body ground Always 10 kohms or higher D40-3 (IGT6) or D23-138 (IGT6) - Body ground Always 10 kohms or higher D33-2 (IGF) or D23-103 (IGF1) - Body ground Always 10 kohms or higher D37-2 (IGF) or D23-103 (IGF1) - Body ground Always 10 kohms or higher D34-2 (IGF) or D23-103 (IGF1) - Body ground Always 10 kohms or higher D38-2 (IGF) or D23-103 (IGF1) - Body ground Always 10 kohms or higher D35-2 (IGF) or D23-103 (IGF1) - Body ground Always 10 kohms or higher D40-2 (IGF) or D23-103 (IGF1) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P0351, P0352, P0353, P0354, P0355 OR P0356) Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Clear the DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598472-S02009234142014021400000) . Shuffle the arrangement of the ignition coil assemblies (among No. 1 to No. 6 cylinders). NOTE: Do not change the location of the connectors. Perform a simulation test. Enter the following menus: Powertrain / Engine / Trouble Codes. Read the DTCs. RESULT Result Proceed to Same DTC output A Different ignition coil DTC output B HINT: Perform "Inspection After Repair" after replacing the ignition coil assembly. Refer to «INITIALIZATION [06/2012 - ]»(ref-598472-S27174589072014021400000) . B --> See step 7 A --> See step 6
  5. CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - NO. 1 INTEGRATION RELAY) Disconnect the ignition coil assembly connectors. Remove the No. 1 integration relay from the engine room relay block and junction block assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition D33-1 (+B) - 1A-1 Always Below 1 ohms D37-1 (+B) - 1A-1 Always Below 1 ohms D34-1 (+B) - 1A-1 Always Below 1 ohms D38-1 (+B) - 1A-1 Always Below 1 ohms D35-1 (+B) - 1A-1 Always Below 1 ohms D40-1 (+B) - 1A-1 Always Below 1 ohms D33-1 (+B) or 1A-1 - Body ground Always 10 kohms or higher D37-1 (+B) or 1A-1 - Body ground Always 10 kohms or higher D34-1 (+B) or 1A-1 - Body ground Always 10 kohms or higher D38-1 (+B) or 1A-1 - Body ground Always 10 kohms or higher D35-1 (+B) or 1A-1 - Body ground Always 10 kohms or higher D40-1 (+B) or 1A-1 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 8
  6. REPLACE ECM. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S28038138762014021400000)
  7. REPLACE IGNITION COIL ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S14733561992014021400000)
  8. REPLACE NO. 1 INTEGRATION RELAY. Refer to «REMOVAL [06/2012 - ]»(ref-598604-S05116938722014021400000)

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