Toyota RAV4 manuals

Toyota Sienna Service Manual: Brake Warning Light does not Come ON

WIRING DIAGRAM

See page BC-52.

INSPECTION PROCEDURE

1 INSPECT BRAKE WARNING LIGHT

(a) Disconnect the skid control ECU connector.

(b) Turn the ignition switch to the on position.

(c) Check that the BRAKE warning light comes on.

OK: BRAKE warning light comes on.

HINT: If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (See page BC-7).

REPLACE BRAKE ACTUATOR ASSEMBLY

2 CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND COMBINATION METER ASSEMBLY)

(a) Turn the ignition switch off.

(b) Disconnect the combination meter connector.

CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND COMBINATION METER ASSEMBLY)

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance

3 INSPECT COMBINATION METER ASSEMBLY

(a) Check the combination meter assembly (See page ME- 4).

HINT: If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (See page BC-7).

END

Brake Warning Light Remains ON
DESCRIPTION If the ECU detects a trouble, it turns on the brake warning light at the same time of prohibiting ABS control. At this time, the ECU records a DTC in memory. Connect terminals TC ...

TC and CG Terminal Circuit
DESCRIPTION DTC output mode is set by connecting terminals TC and CG of the DLC3. The DTCs are displayed by the blinking pattern of the ABS warning light. WIRING DIAGRAM HINT: When warning ...

Other materials:

DTC check / clear
NOTICE: All the stored DTCs and freeze frame data are erased if:  the ECM is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from ON to ACC or off while in check mode. Before changing modes, always check and make a note of any DTCs and fr ...

Back Door Courtesy Switch Circuit
DESCRIPTION The fold seat control ECU receives signals from the back door courtesy switch and detects the state of the back door (open/close). If the ECU does not detect that the back door is open, the seat stowing and return functions are not available. WIRING DIAGRAM INSPECTION PROCED ...

Removal
1. REMOVE FRONT DOOR WINDOW FRAME MOULDING Remove the screw. Using a heat light, heat the front door window frame moulding between 40 to 60 C (104 to 140 F). NOTICE: Do not heat the front door window frame moulding excessively. Slide the front door window frame moulding upward ...

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