BE-209 BODY ELECTRICAL
-
CLOCK
CLOCK BE0G0-13
TROUBLESHOOTING HINT: Troubleshoot the clock according to the table below. Troubleshooting
No.
Passenger seat belt warning light does not light up.
1
Clock will not operate
1
Clock loses or gains time
2
± 1.5 seconds / day 1.
INSPECT CLOCK CIRCUIT (See page DI-1009 )
2.
TROUBLESHOOTING NO. 1 1
PASSENGER SEAT BELT WARNING LIGHT DOES NOT OPERATE CLOCK WILL NOT OPERATE
(a) Check that the battery positive voltage is 10 - 16 V. If voltage is not as specified, replace the battery. (b) Check that the MPX-B and RAD No. 2 fuses are not blown. If the fuse is blown, replace the fuse and check for short. (c) Troubleshoot the clock as follows. HINT: Inspect the connector on the wire harness side. Wire Harness Side Clock Assembly (in A/C control assembly) B7 RAD No. 2 ACC Fuse +B PS/B
GND
B8 B5
B18
Connector ”B”
Connector ”A”
MPX-B Fuse Passenger Seat Occupant Detection Sensor
Connector ”B”
Wire Harness Side Connector ”A” 1 2 3 4
Ground
5 6 7 8
9 10 11 1213 14 1516 17 1819 20
I11820
2005 LEXUS IS300 (RM1140U)
Author:
Date:
2213
BE-210 BODY ELECTRICAL Is there battery positive voltage between terminal +B and body ground?
-
CLOCK
No
+B wire harness faulty.
Yes Is there battery positive voltage between terminal ACC and body ground?
No
+B wire harness faulty.
Yes Is there battery positive voltage between terminal GND and body ground?
No
Ground wire harness faulty.
Yes Replace clock.
3.
TROUBLESHOOTING NO. 2 2
CLOCK LOSES OR GAINS TIME
(a) Check that the battery positive voltage is 10 - 16 V. If voltage is not as specified, replace the battery. (b) Inspect the error of the clock. Allowable error (per day): ± 1.5 seconds If the error exceeds the allowable error, replace the clock. (c) Check that the clock adjusting button is sticking in position and has failed to return. If the error exceeds the allowable error, replace the clock. (d) Troubleshoot the clock as follows. HINT: Inspect the connector on the wire harness side. Wire Harness Side Clock Assembly B7 ACC +B PS/B
GND
B8 B5
B18
Connector ”B”
Connector ”A”
RAD No. 2 Fuse MPX-B Fuse Passenger Seat Occupant Detection Sensor
Connector ”B”
Wire Harness Side Connector ”A” 1 2 3 4
Ground
5 6 7 8
9 10 11 1213 14 1516 17 1819 20
I11820
2005 LEXUS IS300 (RM1140U)
Author:
Date:
2214
BE-21 1 BODY ELECTRICAL
Is there battery positive voltage between terminal +B and body ground?
-
CLOCK
Bellow 10 V
Locate cause and repair, or recharge battery.
Bellow 10 V
Locate cause and repair, or recharge battery.
Yes Is there battery positive voltage between terminal ACC and body ground?
Yes Adjust or replace clock.
2005 LEXUS IS300 (RM1140U)
Author:
Date:
2215
