Inspection Procedure

1. Turn the ignition switch off.
2. Disconnect the cruise control main switch connector.
   Fig 1: Disconnecting Cruise Control Main Switch Connector

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3. Measure the resistance according to the value(s) in Fig 2 .

   Standard: 

   Fig 2: Resistance Between Cruise Control Main Switch Assembly Specifications Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPLACE CRUISE CONTROL MAIN SWITCH ASSY (SEE  REPLACEMENT  ) 

OK: Go to next step. 

1. Disconnect the ECM side spiral cable connector.
   Fig 3: Disconnecting ECM Side Spiral Cable Connector

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2. Measure the resistance according to the value(s) in Fig 4 .

   Standard: 

   Fig 4: Resistance Between Spiral Cable Sub-Assy Specifications Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPLACE SPIRAL CABLE SUB-ASSY (SEE  SPIRAL CABLE  ) 

OK: Go to next step. 

1. Measure the resistance according to the value(s) in Fig 6 .
   Fig 5: Identifying Terminal ECC

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   Standard: 

   Fig 6: Resistance Between Spiral Cable Sub-Assy & Body Ground Specifications Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE SUB-ASSY - BODY GROUND) 

   OK: Go to next step. 

1. Disconnect the E7 connector of the ECM.
   Fig 7: Disconnecting E7 Connector Of ECM

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 8: Wire Harness Connector Front View

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in Fig 9 .

   Standard: 

   Fig 9: Resistance Between Spiral Cable Sub-Assy & ECM Specifications Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE SUB-ASSY - ECM) 

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