CRUISE CONTROL SYSTEM(for 1ND-TV with Driving support ECU) Clutch Switch Circuit

DESCRIPTION

The ECM sends a signal such as a clutch switch signal to the driving support ECU assembly when the No. 2 clutch pedal switch assembly is depressed. The driving support ECU assembly cancels cruise control when the ECM receives the clutch switch signal.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. READ VALUE USING GTS (CAN BUS CHECK)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Enter the following menus: System Select / CAN Bus Check.

      
      CAN Bus Check

      Result
      Result Proceed to All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B

   4. Turn the ignition switch off.

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

2. CHECK DTC OUTPUT (HEALTH CHECK)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Enter the following menus: System Select / Health Check.

   4. Check for DTCs.

      Result
      Proceed to No DTCs are output. DTCs are output.

   5. Turn the ignition switch off.

   
   

   DTCs are output.

   GO TO DTC CHART

   No DTCs are output.

3. INSPECT NO. 2 CLUTCH PEDAL SWITCH ASSEMBLY

   
   

   1. Inspect the No. 2 clutch pedal switch assembly.

      Click here

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE NO. 2 CLUTCH PEDAL SWITCH ASSEMBLY Click here

   OK

4. CHECK HARNESS AND CONNECTOR (NO. 2 CLUTCH PEDAL SWITCH ASSEMBLY - BATTERY)

   
   

   1. Disconnect the A4 No. 2 clutch pedal switch assembly connector.

   2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition A4-1 (CL+) - Body ground Ignition switch ON 11 to 14 V A4-1 (CL+) - Body ground Ignition switch off Below 1 V

   3. Reconnect the A4 No. 2 clutch pedal switch assembly connector.

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

5. CHECK HARNESS AND CONNECTOR (ECM - NO. 2 CLUTCH PEDAL SWITCH ASSEMBLY)

   
   

   1. Disconnect the A4 No. 2 clutch pedal switch assembly connector.

   2. Disconnect the A101 ECM connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition A101-5 (D) - A4-2 (CL-) Always Below 1 Ω

      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition A101-5 (D) or A4-2 (CL-) - Body ground Always 10 kΩ or higher

   4. Reconnect the A4 No. 2 clutch pedal switch assembly connector.

   5. Reconnect the A101 ECM connector.

      Result
      Proceed to OK NG

   
   

   OK

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - NO. 2 CLUTCH PEDAL SWITCH ASSEMBLY)