Inspection Procedure
- CHECK HARNESS AND CONNECTOR (ENG+, ENG-, TRC+, TRC- OF ECM AND SKID CONTROL ECU)
- Disconnect the skid control connector and ECM connector.
- Measure the resistance according to the value (s) in the table below.
Standard:
ENG+, ENG-, TRC+, TRC- OF ECM AND SKID CONTROL ECU RESISTANCETester Connection Specified Condition TRC+ (E3-25) - TRC+ (S3-8) 1 Ωor less ENG+ (E3-24) - ENG+ (S3-9) TRC- (E3-31) - TRC- (S3-22) ENG- (E3-30) - ENG- (S3-23) - Measure the resistance according to the value (s) in the table below.
Standard:
ENG+, ENG-, TRC+, TRC- OF ECM AND SKID CONTROL ECU RESISTANCETester Connection Specified Condition TRC+ (E3-25) - Body ground 10 kΩ or higher ENG+ (E3-24) - Body ground TRC- (E3-31) - Body ground ENG- (E3-30) - Body ground Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
- OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (E1 OF ECM AND BODY GROUND)
- Disconnect ECM connector.
- Measure the resistance according to the value (s) in the table below.
Standard:
CONNECTOR E1 OF ECM AND BODY GROUND RESISTANCETester Connection Specified Condition E1 (E6-7) - Body ground 1 Ωor less - NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
- OK: REPLACE ECM