Operation CHARM: Car repair manuals for everyone.

Transmission Control Systems: Service Precautions

CAUTION

SUPPLEMENTAL RESTRAINT SYSTEM AIR BAG
The airbag system wiring harness is routed near the TCM.

CAUTION:
^ All airbag system wiring harnesses and connectors are colored yellow. Do not use an electric test equipment on these circuits.
^ Be careful not to damage the airbag system wiring harness when performing diagnostics or servicing the TCM.

MEASUREMENT
When measuring the voltage and resistance of the ECM, TCM or each sensor, use a tapered pin with a diameter of less than 0.64 mm (0.025 inch) in order to avoid poor contact. Do not insert a pin of more than 0.65 mm (0.026 inch) diameter.