I03208
Driver Side J/B No.1
ECU-IG
I01926
(+)
(-)
IG
DI-548
-
DIAGNOSTICS
THEFT DETERRENT SYSTEM
702
Author:
Date:
2001 SIENNA (RM787U)
INSPECTION PROCEDURE
1
Check CIG and ECU-IG fuses.
PREPARATION:
(a)
Remove the fuse box opening cover.
(b)
Remove ECU-IG fuses from driver side J/B No.1.
CHECK:
Check continuity of ECU-IG fuses.
OK:
Continuity
NG
Check for short in all the harness and compo-
nents connected to the CIG and ECU-IG fuses
(See attached wiring diagram).
OK
2
Check voltage between terminal IG and ACC of theft deterrent ECU and body
ground.
PREPARATION:
(a)
Disconnect the theft deterrent ECU connectors.
(b)
Turn ignition switch ON.
CHECK:
Measure voltage between terminal IG and ACC of theft deter-
rent ECU connector and body ground.
OK:
Voltage: 10-14V
NG
Check and repair harness and connector be-
tween theft deterrent ECU and battery (See page
OK
Check and replace theft deterrent ECU.
