Inspection Procedure

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

CHECK SKID CONTROL ECU (BS1, BS2 VOLTAGE)

Measure the voltage of the connectors.

HINT:

Measure the voltage from behind the connector with the connector connected to the skid control ECU.

Standard voltage

STANDARD VOLTAGE SPECIFICATION

Tester Connection	Specified Condition
S7-3 (BS1) - Body ground	10 to 14 V
S10-7 (BS2) - Body ground	10 to 14 V

Fig 1: Identifying S7 And S10 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step

PERFORM ACTIVE TEST BY TECHSTREAM (ABS WARNING LIGHT)

Select the ACTIVE TEST, generate a control command, and then check that the ABS warning light operates.

ABS / VSC / TRAC:

ABS WARNING LIGHT SPECIFICATION

Item	Test Details	Diagnostic Note
ABS WARN LIGHT	Turns ABS warning light ON / OFF	Observe combination meter

OK:

The ABS warning light turns on or off.

NG: REPAIR OR REPLACE COMBINATION METER ASSEMBLY

OK: REPLACE SKID CONTROL ECU