Nissan Titan A60. Manual - part 223
REAR WINDOW DEFOGGER SYSTEM
DEF-13
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and rear window defogger cut-off relay.
3. Check continuity between IPDM E/R connector E124 (B) termi-
nal 60 and rear window defogger cut-off relay connector M187
(A) terminals 2 and 3.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
INSPECTION OF REAR POWER WINDOW DEFOGGER CUT-OFF RELAY
Check continuity between rear window defogger cut-off relay termi-
nals 3 and 5.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace rear window defogger cut-out relay.
5.
CHECK REAR WINDOW DEFOGGER CUT-OFF RELAY GROUND CIRCUIT
1. Place rear power drop glass in the closed (UP) position.
2. Check continuity between rear window defogger cut-off relay
connector M187 terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 7
NO
>> GO TO 6
6.
CHECK REAR POWER DROP GLASS MOTOR (DEF CUT-OFF SWITCH)
1. Disconnect rear power drop glass motor (def cut-off switch).
2. Check continuity between rear power drop glass motor (def cut-
off switch) terminals 2 and 3.
Is the inspection result normal?
YES
>> Repair or replace harness.
NO
>> Replace rear power drop glass motor (def cut-off switch).
7.
CHECK POWER SUPPLY CIRCUIT
IPDM E/R
connector
Terminal
Rear window defogger
cut-off relay connector
Terminal
Continuity
B: E124
60
A: M187
2
Yes
3
ALLIA0884ZZ
Condition
Continuity
12V direct current supply between
terminals 1 and 2
Yes
No current supply
No
SEF145X
1 - Ground
: Continuity should exist.
ALLIA0885ZZ
Terminal
Rear power drop
glass position
Continuity
2
3
Closed (UP)
Yes
Open (DOWN)
more than 18 mm
No
LIIA1989E