Nissan Almera Tino V10. Manual — part 721
Trouble Diagnoses
NLEL0465
DIAGNOSTIC PROCEDURE
NLEL0465S01
SYMPTOM: Rear window defogger does not activate, or does
not go off after activating.
1
CHECK REAR WINDOW DEFOGGER OUTPUT SIGNAL
1. Turn ignition switch to ON position.
2. Check voltage between smart entrance control unit harness connector M100 terminal 31 (W) and ground.
YEL341E
OK or NG
OK
©
Check the following.
I
Rear window defogger relay
(Refer to EL-183.)
I
Rear window defogger circuit
I
Rear window defogger filament
(Refer to EL-184.)
NG
©
GO TO 2.
2
CHECK DEFOGGER RELAY COIL SIDE CIRCUIT
1. Disconnect smart entrance control unit connector.
2. Turn ignition switch to ON position.
3. Check voltage between smart entrance control unit harness connector M100 terminal 31 (W) and ground.
YEL342E
OK or NG
OK
©
GO TO 3.
NG
©
Check the following.
I
10A fuse [No. 10, located in the fuse block (J/B)]
I
Rear window defogger relay
I
Harness for open or short between 10A fuse [No. 10, located in the fuse block (J/B)]
and rear window defogger relay
I
Harness for open or short between rear window defogger relay and smart entrance
control unit
REAR WINDOW DEFOGGER
Trouble Diagnoses
EL-180
3
CHECK REAR WINDOW DEFOGGER SWITCH INPUT SIGNAL
1. Connect smart entrance control unit connector.
2. Disconnect multi-function switch connector.
3. Check voltage between smart entrance control unit harness connector M99 terminal 22 (L/Y) and ground.
YEL343E
OK or NG
OK
©
GO TO 6.
NG
©
GO TO 4.
4
CHECK POWER SUPPLY AND IGNITION INPUT SIGNAL
Check voltage between smart entrance control unit harness connector M100 terminal 29 (Y/G) and M101 terminals 56
(R/B) and ground.
YEL344E
OK or NG
OK
©
GO TO 5.
NG
©
Check the following.
I
10A fuse or 15A fuse [No. 10 or No. 5, located in the fuse block (J/B)]
I
Harness for open or short between smart entrance control unit and fuse
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
REAR WINDOW DEFOGGER
Trouble Diagnoses (Cont’d)
EL-181
5
CHECK CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between smart entrance control unit terminal 53 (B) and ground.
YEL345E
Yes
©
Replace smart entrance control unit.
No
©
Repair harness or connectors.
6
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT
1. Disconnect smart entrance control unit connector.
2. Check continuity between multifunction switch harness connector M102 terminal 9 (L/Y) and smart entrance control unit
harness connector M99 terminal 22 (L/Y).
YEL472E
3. Check continuity between multifunction switch harness connector M102 terminal 9 (L/Y) and ground.
YEL346E
OK or NG
OK
©
GO TO 7.
NG
©
Replace harness or connector.
REAR WINDOW DEFOGGER
Trouble Diagnoses (Cont’d)
EL-182
7
CHECK REAR WINDOW DEFOGGER ON SIGNAL
1. Connect multifunction switch connector and smart entrance control unit connector.
2. Turn the ignition switch ON.
3. Check voltage between multifunction switch harness connector M102 terminal 9 (L/Y) and ground.
YEL347E
OK or NG
OK
©
Replace smart entrance control unit.
NG
©
Check multifunction switch. Refer to EL-232.
SEL970W
Electrical Components Inspection
NLEL0076
REAR WINDOW DEFOGGER RELAY
NLEL0076S01
Check continuity between terminals 3 and 5, 6 and 7.
Condition
Continuity
12V direct current supply between ter-
minals 1 and 2
Yes
No current supply
No
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
REAR WINDOW DEFOGGER
Trouble Diagnoses (Cont’d)
EL-183
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