Checking Power Supply

Checking Power Supply







- Ignition off.

Check control module connector for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults.

Check the power supply cable between fuse 2 the integrated relay/fusebox in the engine compartment and #35 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults.

HINT: With the ignition on and the voltmeter connected between #35 and #53 on the breakout box the voltmeter should read battery voltage.

Other Information:
- To connect the breakout box, see Connecting breakout box, Transmission control module (TCM).
- To disconnect control module, see Replacing the transmission control module (TCM).
- For information about signals, see Signal specification, Transmission control module (TCM).

Continue: Refer to Fault-Tracing Information - Intermittent Fault. Fault-Tracing Information - Intermittent Fault