Pinout Values and Diagnostic Parameters

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: TERMINALS OF ECU

1. SKID CONTROL ECU









HINT
*1: w/ Booster Failure Compensation

*2: w/ Downhill Assist Control

2. CHECK SKID CONTROL ECU





(a) Disconnect the A19 ECU connector.

(b) Measure the voltage and resistance of the wire harness side connector.

HINT
The voltage cannot be measured with the connector connected to the skid control ECU as the connector is water resistant.

Skid Control ECU:





HINT
*1: w/ Booster Failure Compensation

*2: w/ Downhill Assist Control

If the result is not as specified, there may be a malfunction on the wire harness side.

3. CHECK INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)





(a) Disconnect the ID junction block connector.

(b) Measure the resistance of the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the ID junction block connector.

(d) Measure the voltage of the wire harness side connector.





If the result is not as specified, the junction block (main body ECU) may be a malfunction.