Diagnostic Aids

Before replacing TP sensor, ensure resistance between TP sensor reference voltage and ground circuits is 2500-6000 ohms, and resistance between TP sensor input and ground circuits is 100-20,000 ohms. Check for poor PCM electrical connection.

An intermittent malfunction may be caused by a poor connection, rubbed-through wire insulation, or a wire broken inside insulation. Inspect harness connectors for backed-out terminals, improper mating, broken locks, improperly formed or damaged terminals, or poor terminal-to-wire connections before component replacement.