FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DTC 25


TROUBLE CODE 25
TORQUE CONTROL SIGNAL

Diagnosis
- Torque control signal is not emitted from Engine Control Module (ECM).
- The signal circuit is open or shorted.












1. Check harness connector between Transmission Control Module (TCM) and ECM.
a. Turn Ignition Switch to "OFF".
b. Disconnect connectors from TCM and ECM.






c. Measure resistance of harness connector between TCM and ECM.
Connector & Terminal / Specified Resistance:
(B55) No. 16 - (B84) No. 49 / Ohm, or less.







d. Measure resistance of harness connector between TCM and body to make sure that circuit does not short.
Connector & Terminal / Specified Resistance:
(B55) No. 16 - Body / 1 M-Ohms, or more.


2. Check output signal TCM.
a. Connect connectors to TCM and ECM.
b. Turn Ignition Switch to "ON".






c. Measure signal voltage between TCM connector terminal and body.
Connector & Terminal / Specified Voltage:
(B55) No. 16 - Body / 5 ± 1 Volts.