Inspection Procedure

CHOOSE DIAGNOSIS METHOD

Choose the diagnosis method.

Method

DIAGNOSIS METHOD

Method	Proceed to
Using intelligent tester	A
Not using intelligent tester	B

B : Go to step 4

A : Go to next step

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (SLIP INDICATOR LIGHT)

Select the ACTIVE TEST, generate a control command, and then check that the SLIP indicator light illuminates.

Skid control ECU with actuator

ACTIVE TEST REFERENCE CHART

Item	Vehicle Condition/Test Details	Diagnostic Note
SLIP INDI LIGHT	Turns SLIP indicator light ON / OFF	Observe combination meter

NG : Go to step 4

OK : GO TO NEXT STEP

CHECK SLIP INDICATOR LIGHT
1. Check that the SLIP indicator light turns on for 3 seconds soon after the ignition switch is turned ON.
OK : END

NG : GO TO NEXT STEP

CHECK WIRE HARNESS (SKID CONTROL ECU - BODY GROUND)

Measure the voltage of the wire harness side connector.

Standard voltage

TESTER CONNECTION AND SPECIFIED CONDITION CHART

Tester Connector	Condition	Specified Condition
S1-34 (IND) - S1-32 (GND1) or S1-1 (GND2)	Ignition switch ON	10 to 14 V

HINT:

When replacing the skid control ECU with actuator, perform the zero point calibration (see CALIBRATION ).

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR

Fig 1: Identifying S1 ECU Connector Terminals

OK : REPLACE BRAKE ACTUATOR ASSEMBLY