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Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CAN BUS LINE FOR SHORT TO GND (DLC3 SUB BUS LINE) 
    1. Disconnect the DLC3 sub bus line connector (J9) from the CAN J/C.
      Fig 1: Disconnecting DLC3 Sub Bus Line Connector (J9) From CAN J/C
      G04414023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Before disconnecting the connector, make a note of where it is connected.
      • Reconnect the connector to its original position.
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 1 M ohms or more
      KD4-14 (CANL) - D4-4 (CG)
      Fig 2: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE DLC3 BRANCH LINE OR CONNECTOR (CAN-H, CAN-L) 

    OK: Go to next step 

  2. CONNECT CONNECTOR 
    1. Reconnect the DLC3 sub bus line connector (J9) to the CAN J/C.
  3. CHECK CAN BUS LINE FOR SHORT TO GND (SKID CONTROL ECU SUB BUS LINE) 
    1. Disconnect the skid control ECU sub bus line connector (J6) from the CAN J/C.
      Fig 3: Disconnecting Skid Control ECU Sub Bus Line Connector (J6) From CAN J/C
      G04414025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Before disconnecting the connector, make a note of where it is connected.
      • Reconnect the connector to its original position.
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 4: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to step   10 

    NG: Go to next step 

  4. CONNECT CONNECTOR 
    1. Reconnect the skid control ECU sub bus line connector (J6) to the CAN J/C.
  5. CHECK CAN BUS LINE FOR SHORT TO GND (YAW RATE SENSOR SUB BUS LINE) 
    1. Disconnect the yaw rate sensor sub bus line connector (J7) from the CAN J/C.
      Fig 5: Disconnecting Yaw Rate Sensor Sub Bus Line Connector (J7) From CAN J/C
      G04414027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Before disconnecting the connector, make a note of where it is connected.
      • Reconnect the connector to its original position.
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 6: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to step   12 

    OK: Go to next step 

  6. CONNECT CONNECTOR 
    1. Reconnect the yaw rate sensor sub bus line connector (J7) to the CAN J/C.
  7. CHECK CAN BUS LINE FOR SHORT TO GND (STEERING ANGLE SENSOR SUB BUS LINE) 
    1. Disconnect the steering angle sensor sub bus line connector (J8) from the CAN J/C.
      Fig 7: Disconnecting Steering Angle Sensor Sub Bus Line Connector (J8) From CAN J/C
      G04414029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Before disconnecting the connector, make a note of where it is connected.
      • Reconnect the connector to its original position.
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 8: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to step   14 

    NG: Go to next step 

  8. CONNECT CONNECTOR 
    1. Reconnect the steering angle sensor sub bus line connector (J8) to the CAN J/C.
  9. CHECK CAN BUS LINE FOR SHORT TO GND (ECM MAIN BUS LINE) 
    1. Disconnect the ECM main bus line connector (J10) from the CAN J/C.
      Fig 9: Disconnecting ECM Main Bus Line Connector (J10) From CAN J/C
      G04414031Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Before disconnecting the connector, make a note of where it is connected.
      • Reconnect the connector to its original position.
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 10: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to step   16 

    NG: REPLACE CAN J/C 

  10. CONNECT CONNECTOR 
    1. Reconnect the skid control ECU sub bus line connector (J6) to the CAN J/C.
  11. CHECK CAN BUS LINE FOR SHORT TO GND (SKID CONTROL ECU SUB BUS LINE) 
    1. Disconnect the skid control ECU connector (S1).
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 11: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE MASTER CYLINDER SOLENOID 

    NG: REPAIR OR REPLACE SKID CONTROL ECU BRANCH LINE OR CONNECTOR (CAN-H, CAN-L) 

  12. CONNECT CONNECTOR 
    1. Reconnect the steering angle sensor sub bus line connector (J8) to the CAN J/C.
  13. CHECK CAN BUS LINE FOR SHORT TO GND (YAW RATE SENSOR SUB BUS LINE) 
    1. Disconnect the yaw rate sensor connector (Y1).
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D46-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 12: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE YAW RATE SENSOR 

    NG: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 

  14. CONNECT CONNECTOR 
    1. Reconnect the ECM main bus line connector (J10) to the CAN J/C.
  15. CHECK CAN BUS LINE FOR SHORT TO GND (STEERING ANGLE SENSOR SUB BUS LINE) 
    1. Disconnect the steering angle sensor connector (S9).
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 13: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE STEERING ANGLE SENSOR 

    NG: REPAIR OR REPLACE STEERING ANGLE SENSOR BRANCH LINE OR CONNECTOR (CANH, CAN-L) 

  16. CONNECT CONNECTOR 
    1. Reconnect the ECM main bus line connector (J10) to the CAN J/C.
  17. CHECK CAN BUS LINE FOR SHORT TO GND (ECM MAIN BUS LINE) 
    1. Disconnect the ECM connector (E7).
    2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE

      Tester Connection Condition Specified Value
      D4-6 (CANH) - D4-4 (CG)
      • Ignition switch OFF
      • Stop light switch OFF
      		 3 k ohms or more
      D4-14 (CANL) - D4-4 (CG)
      Fig 14: Identifying DLC3 Connector Terminal
      G04021879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE ECM 

    NG: REPAIR OR REPLACE ECM MAIN BUS LINE OR CONNECTOR (CAN-H, CAN-L) 

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