Toyota RM787U, Service And Repair Manual, Page: 205 / 1976

F14392
32 83
- DIAGNOSTICS ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI-341
495
Author: Date:
2001 SIENNA (RM787U)
5 Check for open or short circuit in harness and connector between combination
meter and active lamp relay (See page
IN-31 ).
NG Repair or replace harness or connector.
OK
6 Check for open or short circuit in harness and connector between active lamp
relay and skid control ECU (See page
IN-31 ).
NG Repair or replace harness or connector.
OK
7 Check active lamp relay.
In case in which the BRAKE warning light does not light up:
PREPARATION:
(a)
Turn the ignition switch OFF.
(b) Disconnect the connector from the skid control ECU.
(c) Turn the ignition switch ON.
CHECK:
Check the BRAKE warning light goes on.
In case in which the BRAKE warning light remains on:
PREPARATION:
(a)
Turn the ignition switch OFF.
(b) Disconnect the connector from the skid control ECU.
(c) Using service wire, connect terminal EBDW (32) and
GND (83) of skid control ECU.
(d) Turn the ignition switch ON.
CHECK:
Check the BRAKE warning light goes off.
NG Replace active lamp relay.
OK
Check and replace skid control ECU.