Transmission Control Systems: Service Precautions

General Description

CAUTION
^ Supplemental Restraint System Airbag
The airbag system wiring harness is routed near the transmission control module (TCM).

CAUTION:
^ All airbag system wiring harness and connectors are colored yellow. Do not use an electrical test equipment on these circuit.
^ Be careful not to damage the airbag system wiring harness when performing diagnostics and servicing the TCM.
^ Measurement
When measuring the voltage and resistance of ECM, TCM or each sensor, use a tapered pin with diameter of less than 0.64 mm (0.025 inch) in order to avoid poor contact. Do not insert the pin more than 0.65 mm (0.256 inch).