DI-225 DIAGNOSTICS

-

ANTI-LOCK BRAKE SYSTEM DI6SQ-02

DTC

C1249 / 49

Stop Light Switch Circuit

CIRCUIT DESCRIPTION DTC No.

DTC Detecting Condition

Trouble Area

C1249 / 49

With IG1 terminal voltage at 8.5 V - 19 V, and when ABS is in non-operation stop light switch circuit is open for 0.3 sec. or longer.


Stop light valve
Stop light switch
Stop light switch circuit

WIRING DIAGRAM

ABS Actuator with ECU

Instrument Panel J/B Stop Light Switch G-B

1

2

2 1B

G-W

1 1B

G-W

3 1T

G-W

16 A4 STP

Instrument Panel J/B 8 1B

STOP

1 1C

FL Block ALT 4

B (*1) B-G (*2)

High Mounted Stop Light 1 1 2

W-B

C G-W G-W C

Stop Light LH W-B

6

1

G-W C

Stop Light RH

Battery W-B

6

1

G-W C

BG

BI

J10 J/C *1: Puerto Rico *2: Except Puerto Rico F09223

2002 ECHO (RM884U)

Author
:

Date
:

395

DI-226 DIAGNOSTICS

-

ANTI-LOCK BRAKE SYSTEM

INSPECTION PROCEDURE 1

Check operation of stop light.

CHECK: Check that stop light lights up when brake pedal is depressed and turns off when brake pedal is released. NG

Repair stop light circuit (See page BE-37 ).

OK

2

Check voltage between terminal STP (16) of ABS ECU and body ground. PREPARATION: Disconnect ABS ECU connector. CHECK: Measure the voltage between terminal 16 of ABS ECU harness side connector and body ground when brake pedal is depressed. OK: Voltage: 10 - 14 V

(+)

(-) 16

F08560

OK

Check and replace ABS actuator assembly.

NG

3

Check for open circuit in harness and connector between ABS ECU and stop light switch (See page IN-29 ).

NG

Repair or replace harness or connector.

OK

Check and replace ABS ECU.

2002 ECHO (RM884U)

Author
:

Date
:

396