Inspection Procedure

1. Remove the D-IG1-2 fuse from the main body ECU.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

NG: REPLACE FUSE 

OK: Go to next step 

1. Disconnect the A33 ECU connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   VOLTAGE SPECIFICATION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   A33-13 (+B) - Body ground	Engine switch on (IG)	11 to 14 V
   A33-13 (+B) - Body ground	Engine switch off	Below 1 V

3. Measure the resistance according to the value(s) in the table below.
Fig 1: Identifying A33 ECU Connector
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Standard resistance 

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )