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Stuck high level

A

Others

B

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

A: Check and replace ECM. B: Go to next step.

6. Replace the translate ECU and check whether or not the trouble occurs again. YES: Check and replace ECM. NO: END.

DIAGNOSTIC TROUBLE CODES NORMAL CODE MALFUNCTION IN ECM CIRCUIT DESCRIPTION

If any trouble occurs in the ECM control system, the ECU prohibits ABS & VSC control.

DTC No

DTC Detecting Condition

Trouble Area

Normal Codé

Conditions 1.. 2. or 3. continue for 5 sec. or more:

1. Engine malfunction signal is sent from ECM.

2. Shift malfunction signal is sent from ECM

3. The shift position is other than P and N, and P range input voltage is 8 V or more.

• Brake fluid level

• Brake fluid level warning switch circuit

• Steering angle sensor

• Skid control ECU

G DM? 1819

G DM? 1819

Fig. 102: DTC Normal Code Detecting Condition Trouble Area Table Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. Is DTC output for ECM?

Check DTC PRE-CHECK .

YES: Repair engine control system according to the output code. ON: Go to next step.

2. Check the DTC for the ABS and VSC (See PRE-CHECK ).

*1 Repair ABS and VSC control system according to the code output. *2

*1: Except "C1203/53" of VSC system DTC are output *2: Only "C1203/53" of VSC system DTC is output

3. Check and replace the translate ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ). Check whether or not the trouble occurs again.

YES: Check and replace skid control ECU.

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