Inspection Procedure
- INSPECT ECU TERMINAL VOLTAGE (+B TERMINAL)
- Disconnect the TCM connector.
- Turn the engine switch on (IG).
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE SPECIFICATIONTester Connection Specified Condition +B (B40-18) - E1 (B40-8) 9 to 14 V
OK: CHECK FOR INTERMITTENT PROBLEMS
NG: Go to Next Step
- CHECK HARNESS AND CONNECTOR (TCM - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATIONTester Connection Specified Condition E1 (B40-8) - Body ground Below 1 Ω - Reconnect the TCM connector.
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (TCM - BODY GROUND)
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (TCM - EFI RELAY)
- Measure the resistance according to the value(s) in the table below.