Voltage V

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

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

Fig. 75: Measuring Voltage B/W Terminal 1 Of Brake Inhibit Relay & Body Ground & 3 & Body Ground

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

NG: Check and repair harness or connector. OK: Go to next step. 2. Check brake inhibit relay.

CHECK:

Check continuity between following terminals of brake inhibit relay. OK:

TERMINALS CONTINUITY

Terminals 1 and 2

Continuity (Reference value 62 ohm)

Terminals 3 and 4

a. Apply battery positive voltage between terminals 1 and 2.

b. Check continuity between terminals.

CONTINUITY CHECK

Terminals 3 and 4

Open

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

2004 Sequoia Abs Harness
Fig. 76: Checking Continuity Between Terminal Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Replace brake inhibit relay.

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

OK: Go to next step.

3. Check for open and short circuit in harness and connector between brake inhibit relay and skid control ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

NG: Repair or replace harness or connector.

OK: If the same code is still indicated after the DTC is deleted, check the contact condition of each connection. If the connections are normal, the skid control ECU may be defective.

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