Toyota Sequoia (2005). Manual — part 885
I18624
I18623
I18625
Wire Harness Side:
–
BODY ELECTRICAL
SEAT HEATER SYSTEM
BE–125
3529
3.
INSPECT SEAT HEATER CUSHION CONTINUITY
(a)
Heat the thermostat with a light.
(b)
Inspect the seat heater cushion continuity between termi-
nals, as shown.
Tester connection
Condition
Specified condition
2 – 4
Always
Continuity
1 – 3
Seat heater temperature below 30
°
C (86
°
F)
Continuity
1 – 3
Seat heater temperature above 40
°
C (104
°
F)
No continuity
If continuity is not as specified, replace the seat cushion pad.
4.
INSPECT SEAT BACK CONTINUITY
(a)
Heat the thermostat with a light.
(b)
Inspect the seat heater cushion continuity between termi-
nals, as shown.
Tester connection
Condition
Specified condition
2 – 3
Always
Continuity
1 – 2, 1 – 3
Seat heater temperature below 30
°
C (86
°
F)
Continuity
1 – 2, 1 – 3
Seat heater temperature above 50
°
C (122
°
F)
No continuity
If continuity is not as specified, replace the seat back pad.
5.
INSPECT SEAT HEATER CUSHION CIRCUIT
Inspect the seat heater inner cushion and front cushion continu-
ity between terminals, as shown.
I18626
Wire Harness Side:
I05027
1
2
3
5
1
2
3
5
BE–126
–
BODY ELECTRICAL
SEAT HEATER SYSTEM
3530
Tester connection
Condition
Specified condition
1 – Body ground
Seat heater switch ON
Battery positive voltage
If continuity is not as specified, replace the seat back pad.
6.
INSPECT SEAT BACK CONTINUITY
Inspect the seat back continuity between terminals, as shown.
Tester connection
Condition
Specified condition
1 – Body ground
Always
Continuity
If continuity is not as specified, replace the seat back pad.
7.
INSPECT SEAT HEATER RELAY CONTINUITY
Condition
Tester connection
Specified condition
Always
1 – 2
Continuity
Always
3 – 5
No continuity
Apply B+ between
terminals 1 and 2.
3 – 5
Continuity
If continuity is not as specified, replace the relay.
BE2MI–01
1
CLOCK WILL NOT OPERATE
I18689
Wire Harness Side:
B +
GND
Yes
Yes
No
No
Is there battery positive voltage between terminal +B and body
ground.
Is there continuity between terminal GND and body ground.
Replace clock (Integration Control and Panel).
Open or short circuit in wire harness between terminal
+B and DOME fuse.
Open circuit in wire harness between terminal
GND and body ground.
–
BODY ELECTRICAL
CLOCK
BE–127
3531
CLOCK
TROUBLESHOOTING
HINT:
Troubleshoot the clock according to the table below.
Problem
No.
Clock will not operate
1
Clock loses or gains time
2
Allowable error (per day): ±
1.5 seconds
1.
PROBLEM NO. 1
(a)
Check that the battery positive voltage is 10 to 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 a short.
(c)
Troubleshoot the clock as follows.
HINT:
Inspect the connector on the wire harness side.
2
CLOCK LOSES OR GAINS TIME
I18689
Wire Harness Side:
B +
GND
Yes
Is there battery positive voltage between terminal +B and
body ground.
Adjust or replace clock.
Bellow 10 V
Locate cause and repair, or recharge battery.
BE–128
–
BODY ELECTRICAL
CLOCK
3532
2.
PROBLEM NO. 2
(a)
Check that the battery positive voltage is 10 to 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 value, replace the clock.
(c)
Check that the clock adjusting button is struck and has
failed to return.
If the error exceeds the allowable value, replace the clock.
(d)
Troubleshoot the clock according to the following flow–
chart.
HINT:
Inspect the connector on the wire harness side.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст