Inspection Procedure

NOTE: When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration (see INITIALIZATION ).

INSPECT CAN COMMUNICATION SYSTEM

Check if the CAN communication system DTC is output (see DIAGNOSIS SYSTEM ).

Result

RESULT CHART

Display (DTC Output)	Proceed To
DTC is not output	A
DTC is output	B

B: REPAIR CAN COMMUNICATION SYSTEM

A: Go to next step

INSPECT MULTIPLEX COMMUNICATION SYSTEM

Check if the multiplex communication system DTC is output (see DTC CHECK / CLEAR ).

Result

RESULT CHART

Display (DTC Output)	Proceed To
DTC is not output	A
DTC is output	B

B: REPAIR MULTIPLEX COMMUNICATION SYSTEM

A: Go to next step

INSPECT BRAKE CONTROL WARNING LIGHT

Connect the intelligent tester to the DLC3.
Start the engine.

Select the "Electronically Controlled Brake System WARN LAMP" and "VSC WARN LAMP" in the ACTIVE TEST and operate the brake control (Electronically Controlled Brake System/VSC) warning light by the intelligent tester.

ABS/VSC:

ABS/VSC REFERENCE CHART

Item (Display)	Vehicle Condition/Test Details	Diagnostic Note
Electronically Controlled Brake System WARN LAMP	Turns brake control warning light ON/OFF	Observe combination meter
VSC WARN LAMP	Turns brake control warning light ON/OFF	Observe combination meter

Check that "ON" and "OFF" of the brake control (Electronically Controlled Brake System/VSC) warning lights are indicated on the combination meter when using the intelligent tester.
OK:

The brake control (Electronically Controlled Brake System/VSC) warning lights turn on or off in accordance with the intelligent tester.

HINT:

If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (see PROBLEM SYMPTOMS TABLE ).

NG: Go to step 4

OK: REPLACE SKID CONTROL ECU

INSPECT COMBINATION METER ASSEMBLY
1. Check the combination meter assembly (see INITIALIZATION ).
  HINT:
  
  If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (see PROBLEM SYMPTOMS TABLE ).
NG: REPLACE COMBINATION METER ASSEMBLY

OK: END