CHECK INPUT SIGNAL FOR TCM.

1) Connect the connector to TCM and power switch.

2) Turn the ignition switch to ON. (engine OFF)

3) Measure the signal voltage for TCM while the power switch is OFF.

Connector & terminal

(B54) No. 9 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Replace the TCM.