Circuit Description

DTC pertains to signals provided to ECM from Park/Neutral Position (PNP) switch, air conditioning switch and throttle position sensor IDL switch. DTC is set when idle switch is off, PNP switch is off in "R", "D", "2" or "L" and, A/C switch on. Possible causes are:

• Throttle Position (TP) sensor IDL circuit.
• Accelerator pedal and cable.
• PNP switch circuit.
• A/C switch circuit.
• ECM.