FixVault

Automatic Transmission (Diagnostics): General Description: Caution

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 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 the ECM, TCM or each sensor, use a tapered pin with a diameter of less than 0.64 mm (0.025 in) in order to avoid poor contact. Do not insert the pin more than 6.5 mm (0.256 in).