Inspection Procedure
- INSPECT FUSE (ECU-B)
- Remove the ECU-B2 fuse from the engine room No. 2 relay block.
- Measure the resistance of the fuse.
Standard Resistance:
Below 1 Ω
NG: REPLACE FUSE
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY AND BODY GROUND)
- Disconnect the E79 box connector.
- Measure the resistance and voltage of the wire harness side connector.
Standard Resistance
RESISTANCE SPECIFIED CONDITIONSTester Connection Condition Specified Condition E79-8 (GND) - Body ground Always Below 1 Ω Standard Voltage
VOLTAGE SPECIFIED CONDITIONTester Connection Condition Specified Condition E79-1 (+B) - Body ground Always 11 to 14 V NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE