Inspection Procedure

1. Turn the ignition switch off.
2. Disconnect the cruise control main switch connector.
3. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Switch Condition	Specified Condition
   1 - 3	+ / RES	235 to 245 Ω
   1 - 3	- / SET	617 to 643 Ω
   1 - 3	CANCEL	1,509 to 1,571 Ω
   1 - 3	Main Switch OFF	10 kΩ or higher
   1 - 3	Main Switch ON	Below 1 Ω

4. Reconnect the cruise control main switch connector.

NG: REPLACE CRUISE CONTROL MAIN SWITCH 

Fig 1: Identifying Cruise Control Main Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the spiral cable side connector.
   Fig 2: Identifying Cruise Control Main Switch - Spiral Cable Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   Terminal 1 (ECC) main switch side - Terminal 3 (ECC) spiral cable side	Always	Below 1 Ω
   Terminal 3 (ECC) main switch side - Terminal 4 (ECC) spiral cable side	Always	Below 1 Ω

3. Reconnect the spiral cable side connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Disconnect the spiral cable connector on the ECM side.
2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   Terminal 4 (ECC) main switch side - CCS (S8-1)	Always	Below 1 Ω
   Terminal 3 (ECC) main switch side - ECC (S8-2)	Always	Below 1 Ω

NG: REPLACE SPIRAL CABLE SUB-ASSEMBLY 

Fig 3: Disconnecting Spiral Cable Connector On ECM Side

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   ECC (S8-2) - Body ground	Always	Below 1 Ω

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

Fig 4: Identifying Spiral Cable Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the E7 ECM connector.
2. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

   Standard Resistance (1GR-FE) 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   CCS (E7-2) - CCS (S8-1)	Always	Below 1 Ω
   CCS (E7-2) - Body ground	Always	10 kΩ or higher

   Standard Resistance (2TR-FE) 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   CCS (E7-31) - CCS (S8-1)	Always	Below 1 Ω
   CCS (E7-31) - Body ground	Always	10 kΩ or higher

3. Reconnect the ECM connector.

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

Fig 5: Disconnecting E7 ECM Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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