P1510

TROUBLESHOOTING PROCEDURES




CIRCUIT DIAGRAM








HARNESS INSPECTION PROCEDURES


ISC ACTUATOR INSPECTION
1. Disconnect the connector at the idle speed control actuator.
2. Measure the resistance between terminals.

Standard value
Terminal 1 and 2: 10.5-14 ohms
Terminal 2 and 3: 10-12.5 ohms [at 20°C (68°F)]

3. Connect the connector at the idle speed control actuator.


TROUBLESHOOTING HINTS
Open or short circuit is observed in idle air control system when ignition switch is turned on.
Mechanical problems are observed in the idle air control system