Inspection Procedure

1. Disconnect the A32 switch connector.
2. Disconnect the A31 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   RESISTANCE SPECIFIED CONDITIONS
   
   

   Tester Connection	Specified Condition
   A32-3-A31-4 (MSW)	Below 1 Ω
   A32-4 - Body ground	Below 1 Ω
   A32-3 - Body ground	10 kΩ or higher

   Fig 1: Identifying A32 Switch And A31 ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to Next Step 

1. Remove the AFS OFF switch.
2. Measure the resistance of the switch.

   Standard resistance 

   RESISTANCE SPECIFIED CONDITIONS
   
   

   Tester Connection	Switch Condition	Specified Condition
   3-4	AFS OFF switch Is pushed	Below 1 Ω
   3-4	AFS OFF switch Is not pushed	10 kΩ or higher

   Fig 2: Identifying AFS OFF Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE AFS OFF SWITCH 

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