Intake manifold air control solenoid 1 – short to ground
Intake manifold air control solenoid 2 – short to ground
Intake manifold air control solenoid 2 – short to positive
Intake manifold air control solenoid 1 – short to positive
Intake manifold air control solenoid 1 – current circuit
Idle air control (IAC) valve – short to positive
Idle air control (IAC) valve – circuit malfunction
Idle speed control (ISC) – upper limit reached
Idle speed control (ISC) – lower limit reached
Closed throttle position (CTP) switch – does not open
