BE0FW-03
Z04388
E
ILL
B
ACC
BE1847 e-4-2-D
e-4-1-D
Ground
Power Source
(Illumination)
Power Source
(System Operation)
Power Source
(Display Operation)
Connector
(Clock Side)
(Wire Harness Side)
1
2
3
4
4
1 2 3
1
2
3
4
V04421
1
CLOCK WILL NOT OPERATE
(Clock Side)
(Wire Harness Side)
B+
GND
e-4-2-D
e-4-1-D
(a) Check that the battery positive voltage is 10 - 16 V.
If voltage is not as specified, replace the battery.
(b) Check that the DOME fuse is not blown.
If the fuse is blown, replace the fuse and check for short circuit.
(c) Troubleshoot the clock as follows.
HINT: Inspect the connector on the wire harness side.
Is there battery positive voltage between terminal
B+ and body ground?
Does continuity exist between terminal GND
and body ground.
Replace clock.
Yes
Yes
Open or short circuit in wire harness between
terminal GND and body ground.
Open circuit in wire harness between terminal
GND and body ground.
No
No
BE-140
-
BODY ELECTRICAL
CLOCK
1658
Author:
Date:
2001 SIENNA (RM787U)
CLOCK
TROUBLESHOOTING
HINT:
Troubleshoot the clock according to the table below.
Clock will not operate
1
Clock loses or gains time
2
±
1.5 seconds / day (AT DC 13 V, 20
°
C)
