Toyota RAV4 manuals

Toyota Sienna Service Manual: Open in Stop Light Switch Circuit

DTC C1249/49 Open in Stop Light Switch Circuit

DESCRIPTION

Open in Stop Light Switch Circuit

WIRING DIAGRAM

Open in Stop Light Switch Circuit

Open in Stop Light Switch Circuit

INSPECTION PROCEDURE

1 CHECK STOP LIGHT SWITCH OPERATION

(a) Check that the stop light comes on when the brake pedal is depressed and goes off when the brake pedal is released.

OK

HINT: Check the stop light bulb as it may have burnt out.

2 INSPECT SKID CONTROL ECU (STP1 TERMINAL)

INSPECT SKID CONTROL ECU (STP1 TERMINAL)

(a) Disconnect the skid control ECU connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard voltage

3 RECONFIRM DTC

(a) Clear the DTCs (See page BC-82).

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

(c) Are the same DTCs detected?

Result

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

4 INSPECT STOP LIGHT SWITCH

INSPECT STOP LIGHT SWITCH

(a) Disconnect the stop light switch assembly connector.

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

Standard resistance

5 CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH - SKID CONTROL ECU)

CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH - SKID CONTROL ECU)

(a) Disconnect the stop light switch connector and skid control ECU connector.

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

Standard resistance

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

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