Operation CHARM: Car repair manuals for everyone.

Transmission Range

SWITCH P/A/B/C - SCAN TOOL DISPLAYS HEIGHT OR LOW:
The Trans Switch P/A/B/C display represents the state of the four inputs from the trans axle range switch. High display indicates battery voltage signal being monitored at the PCM. Low indicates a ground input signal at the PCM.The combination of transaxle range inputs indicates the position of the transaxle manual valve.