Inspection Procedure

1. INSPECT CRUISE CONTROL MAIN SWITCH ASSY 
   Fig 1: Inspecting Cruise Control Main Switch Assy

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Turn the ignition switch off.
   2. Disconnect the cruise control main switch connector.
   3. Measure the resistance according to the value (s) in the table below.

   Standard: 

   TESTER CONNECTION AND SPECIFIC CONDITION
   
   

   Tester connection	Switch condition	Specification
   4-5	RES/+	235 to 245Ω
   4-5	SET/-	617 to 643Ω
   4-5	CANCEL	1,509 to 1,571Ω
   4-5	Main Switch OFF	10 kΩ or higher
   4-5	Main Switch ON	Below 1Ω

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

   OK: Go To Next Step. 

2. INSPECT SPIRAL CABLE SUB-ASSY 
   1. Disconnect the ECM side spiral cable connector.
   2. Measure the resistance according to the value (s) in the table below.

   Standard: 

   TESTER CONNECTION AND SPECIFIC CONDITION
   
   

   Tester connection	Condition	Specification
   Terminal 5 (CCS) main switch side - CCS (C10-5)	Always	Below 1Ω
   Terminal 4 (ECC) main switch side - ECC (C10-4)	Always	Below 1Ω

   Fig 2: Inspecting Spiral Cable Sub-Assy

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   OK: Go To Next Step. 

3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY - BODY GROUND) 
   1. Measure the resistance according to the value (s) in the table below.

   Standard: 

   TESTER CONNECTION AND SPECIFIC CONDITION
   
   

   Tester connection	Condition	Specification
   ECC (C10 -4) -Body ground	Always	Below 1 Ω

   Fig 3: Checking Harness And Connector (Spiral Cable Sub-Assy - Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   OK: Go To Next Step. 

4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY - ECM) 

1. Disconnect the E7 connector of the ECM.
2. Measure the resistance according to the value (s) in the table below.

Standard: 

Fig 4: Identifying ECM Connector E7 Terminal CCS

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 5: Identifying Spiral Cable Sub-Assy Connector C10 Terminal CCS

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