Inspection Procedure

CHECK CAN BUS LINE FOR SHORT TO +B (DLC3 SUB BUS LINE)
1. Disconnect the DLC3 sub bus line connector (J40) from the CAN J/C.
  NOTE:
  - Before disconnecting the connector, make a note of where it is connected.
  - Reconnect the connector to its original position.
    
    Fig 1: Disconnecting DLC3 Sub Bus Line Connector (J40) From CAN J/C
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in Fig 2.
  Standard:
  
  Fig 2: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE DLC3 SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
2. OK: Go to next step.
  
  Fig 3: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the DLC3 sub bus line connector (J40) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (SKID CONTROL ECU SUB BUS LINE)
1. Disconnect the skid control ECU sub bus line connector (J41) from the CAN J/C.
  NOTE:
  - Before disconnecting the connector, make a note of where it is connected.
  - Reconnect the connector to its original position.
    
    Fig 4: Disconnecting Skid Control ECU Sub Bus Line Connector (J41) From CAN J/C
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in Fig 5.
  Standard:
  
  Fig 5: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to step 10
2. NG: Go to next step.
  
  Fig 6: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the skid control ECU sub bus line connector (J41) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (YAW RATE SENSOR SUB BUS LINE)
1. Disconnect the yaw rate sensor sub bus line connector (J43) from the CAN J/C.
  NOTE:
  - Before disconnecting the connector, make a note of where it is connected.
  - Reconnect the connector to its original position.
    
    Fig 7: Disconnecting Yaw Rate Sensor Sub Bus Line Connector (J43) From CAN J/C
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in Fig 8.
  Standard:
  
  Fig 8: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to step 12
2. NG: Go to next step.
  
  Fig 9: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the yaw rate sensor sub bus line connector (J43) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (STEERING ANGLE SENSOR SUB BUS LINE)
1. Disconnect the steering angle sensor sub bus line connector (J42) from the CAN J/C.
  NOTE:
  - Before disconnecting the connector, make a note of where it is connected.
  - Reconnect the connector to its original position.
    
    Fig 10: Disconnecting Steering Angle Sensor Sub Bus Line Connector (J42) From CAN J/C
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in Fig 11.
  Standard:
  
  Fig 11: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to step 14 .
2. NG: Go to next step.
  
  Fig 12: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the steering angle sensor sub bus line connector (J42) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (ECM MAIN BUS LINE)
1. Disconnect the ECM connector (E8).
2. Measure the resistance according to the value(s) in Fig 13.
  Standard:
  
  Fig 13: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: REPLACE ECM (SEE ECM (2UZ-FE) )
2. NG: REPAIR OR REPLACE ECM MAIN BUS LINE OR CONNECTOR (CAN-H, CAN-L)
  
  Fig 14: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the skid control ECU sub bus line connector (J41) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (SKID CONTROL ECU SUB BUS LINE)
1. Disconnect the skid control ECU connector (S37).
2. Measure the resistance according to the value(s) in Fig 15.
  Standard:
  
  Fig 15: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: REPLACE MASTER CYLINDER SOLENOID (SEE OVERHAUL )
2. NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
  
  Fig 16: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the yaw rate sensor sub bus line connector (J43) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (YAW RATE SENSOR SUB BUS LINE)
1. Disconnect the yaw rate sensor connector (Y1).
2. Measure the resistance according to the value(s) in Fig 17.
  Standard:
  
  Fig 17: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: REPLACE YAW RATE SENSOR (SEE YAW RATE SENSOR )
2. NG: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
  
  Fig 18: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT CONNECTOR
1. Reconnect the steering angle sensor sub bus line connector (J42) to the CAN J/C.
1. NEXT: Go to next step.
CHECK CAN BUS LINE FOR SHORT TO +B (STEERING ANGLE SENSOR SUB BUS LINE)
1. Disconnect the steering angle sensor connector (S12).
2. Measure the resistance according to the value(s) in Fig 19.
  Standard:
  
  Fig 19: Tester Connection Specified Value Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: REPLACE STEERING ANGLE SENSOR (SEE STEERING SENSOR )
2. NG: REPAIR OR REPLACE STEERING ANGLE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
  
  Fig 20: Identifying CANH, CANL & BATT Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002