Center Diff Lick Switch Resistance

center diff. lock (TRAC OFF) switch

Resistance

Press continuously

Continuity

Release

IMohm or higher

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia

Diff Lock Switch

Fig. 112: Measuring Resistance B/w Terminal CSW & GND Of Center Diff Lock*1 (TRAC OFF*2) Switch

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Replace center diff. lock (TRAC OFF) switch. OK: Go to next step.

3. Check for open and short circuit in harness and connector between terminal CSW of translate ECU and center diff. lock (TRAC OFF) switch and body ground (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

NG: Repair or replace harness or connector.

OK: Go to next step.

4. Check VSC OFF (TRAC OFF) indicator light.

See combination meter troubleshooting PROBLEM SYMPTOMS TABLE .

NG: Repair or replace combination meter. OK: Go to next step.

5. Check for open and short circuit in harness and connector between terminal WT of translate ECU and VSC OFF (TRAC OFF) indicator light (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

NG: Repair or replace harness or connector.

OK: Check and replace translate ECU.

VSC BUZZER CIRCUIT

CIRCUIT DESCRIPTION

The VSC buzzer sounds during VSC operation. WIRING DIAGRAM

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia

Sistance Toyota

Fig. 113: Wiring Diagram VSC Buzzer

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 113: Wiring Diagram VSC Buzzer

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

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