Inspection Procedure

Check: 

Check continuity of IGN and EFI fuse.

OK: Continuity 

NG: Replace the failure fuse. 

OK: Go to Next Step 

Preparation: 

1. Turn ignition switch OFF.
2. Disconnect the hybrid vehicle control ECU connector.

Check: 

Measure voltage between terminals IGSW, BATT and GND

OK: Voltage: 10 - 14 V 

OK: Proceed to next circuit inspection shown in problem symptoms table. (See  PROBLEM SYMPTOMS TABLE  ). 

NG: Go to Next Step 

NG: Repair or replace wireharness or connector. 

OK: Check and repair wireharness and connector between hybrid vehicle control ECU and battery HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .