Distance Control Switch Circuit: Wiring Diagram

1. Remove the steering pad switch assembly.
   Fig 2: Inspecting Steering Pad Switch Assembly

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2. Measure the resistance between terminal 4 (DIST) and (ECC) of steering pad switch assembly connector when distance control switch is operated.

   Standard resistance 

   SWITCH POSITION - RESISTANCE TABLE
   
   

   Switch position	Specified value
   Distance control switch is ON	Below 1 Ω
   Distance control switch is OFF	10 kΩ or higher

   HINT:

   When a malfunction is detected in the distance control switch, replace the steering pad switch assembly.

NG : REPLACE STEERING PAD SWITCH ASSEMBLY 

OK : Go to next step 

1. Disconnect the spiral cable connector.
2. Measure the resistance according to the value(s) in the table below.

Fig 3: Inspecting Spiral Cable

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Standard resistance 

NG : REPLACE SPIRAL CABLE 

OK : Go to next step 

1. Disconnect the distance control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

Fig 4: Disconnecting Distance Control ECU Connector

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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 

Fig 5: Identifying Connector Terminals

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NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK : Go to next step 

1. Remove the distance control ECU (cruise control ECU) with the connector.
2. Turn the ignition switch on.
3. Measure the voltage according to the value(s) in the table below.

Fig 6: Identifying Terminal D2 Of Distance Control ECU Connector

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Standard voltage 

NG : REPLACE DISTANCE CONTROL ECU 

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