Inspection Procedure

1. Connect the intelligent tester to the DLC3.
   Fig 1: Identifying Cruise Control Main Switch Position

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch on (IG), and turn the intelligent tester main switch on.
3. Check the DATA LIST for proper functioning of the cruise control main switch.

   CC (ECM): 

   CRUISE CONTROL MAIN SWITCH REFERENCE CHART
   
   

   Item	Measurement Item / Display (Range)	Normal Condition	Diagnostic Note
   MAIN SW (MAIN)	Main switch signal (Main CPU) / ON or OFF	ON: Main switch ON (Pushed on) OFF: Main switch OFF (Pushed off)	-
   CANCEL SW	CANCEL switch signal / ON or OFF	ON: CANCEL switch ON OFF: CANCEL switch OFF	-
   SET/COAST SW	-/SET switch signal / ON or OFF	ON: -/SET switch ON OFF: -/SET switch OFF	-
   RES/ACC SW	+/RES switch signal / ON or OFF	ON: +/RES switch ON OFF: +/RES switch OFF	-

   OK: 

   When cruise control main switch operation is performed, the result will be same as above. 

   Result: 

   RESULT CHART
   
   

   Result	Proceed to
   OK	A
   NG (all items are defective)	B
   NG (one to four items are defective)	C

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

C: REPLACE  CRUISE CONTROL MAIN SWITCH  

B: Go to Next Step 

1. Disconnect the cruise control main switch connector.
2. Measure the resistance according to the value(s) in the table below.
   Fig 2: Identifying Cruise Control Main Switch Position

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Switch Condition	Tester Connection	Specified Condition
   Neutral	1 - 3	10 kΩ or higher
   RES/+	1 - 3	210 to 270 Ω
   SET/-	1 - 3	560 to 700 Ω
   CANCEL	1 - 3	1,380 to 1,700 Ω
   Main Switch OFF	1 - 3	10 kΩ or higher
   Main Switch OFF	1 - 3	Below 1 Ω

NG: REPLACE  CRUISE CONTROL MAIN SWITCH  

OK: Go to Next Step 

1. Disconnect the spiral cable sub-assembly connector.
   Fig 3: Identifying Terminals Of Spiral Cable Connector

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

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Condition	Specified Condition
   A-1 - D15-7	Below 1 Ω
   A-3 - D15-1	Below 1 Ω
   A-4 - D15-2	Below 1 Ω

NG: REPLACE SPIRAL CABLE 

OK: Go to Next Step 

Fig 4: Identifying Terminals Of D15 Spiral Cable Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   Spiral cable (D15-1) - CCS (D41-2)	Always	Below 1 Ω
   CCS (D41-2) - Body ground	Always	10 kΩ or higher
   Spiral cable (D15-2) - E1 (B47-1)	Always	Below 1 Ω
   Spiral cable (D15-7) - Body ground	Always	10 kΩ or higher
   Spiral cable (D15-7) - CCHG (D41-4)	Always	Below 1 Ω
   CCHG (D41-4) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   D15-2 - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 5: Identifying Terminals Of D15 Spiral Cable Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE ECM