Diagnosis Procedure

1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
   • ICC sensor
   • Harness connector E76
   • Harness connector E14
   • Harness connector E25
   • Harness connector M40

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair the terminal and connector.

1. Disconnect the connector of ICC sensor.
2. Check the resistance between the ICC sensor harness connector terminals.

   ICC sensor harness connector			Resistance (Ω)
   Connector No.	Terminal No.
   E80	3	6	Approx. 108 - 132

Is the measurement value within the specification?

YES 

GO TO STEP 3  .

NO 

Repair the ICC sensor branch line.

Check the power supply and the ground circuit of the ICC sensor. Refer to DIAGNOSIS PROCEDURE .

Is the inspection result normal?

YES (Present error) 

Replace the ICC sensor. Refer to REMOVAL AND INSTALLATION .

YES (Past error) 

Error was detected in the ICC sensor branch line.

NO 

Repair the power supply and the ground circuit.