When the primary voltage side in PCM is in short or open circuit.
The ignition control by the PCM is malfunctioning.
Open or short circuit is observed in idle air control system when ignition switch is turned on.
Check item | Check condition | HI-SCAN display | Type |
Idle speed control actuator o Actuator | Start the engine | ISA | Activate Result: RPM should increase or decrease |
Disconnect the connector at the idle speed control actuator.
Measure the resistance between terminals.
Standard value Terminal 3 and 2 : 10.5 ~ 14Ω Terminal 1 and 3 : 10 ~ 12.5Ω [at 20°C (68°F)] |
Re-connect the connector to the idle speed control actuator
