Infiniti M45 (Y34). Manual — part 648
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-99
C
D
E
F
G
H
I
J
L
M
A
B
LT
Front Turn Signal Lamp LH or RH Does Not Operate
AKS003VA
1.
CHECK BULB
1.
Replace bulb with other side bulb or new one.
2.
Check if front turn signal lamp illuminates correctly.
OK or NG
OK
>> Replace combination flasher unit.
NG
>> GO TO 2.
2.
CHECK FRONT COMBINATION LAMP GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp connector.
3.
Check continuity between front combination lamp LH harness
connector E12 terminal 2 (B), and front combination lamp RH
harness connector E50 terminal 2 (B) and ground.
OK or NG
OK
>> Check harness for open or short between front combi-
nation lamp and combination switch.
NG
>> Repair harness.
Rear Turn Signal Lamp LH or RH Does Not Operate
AKS003VB
1.
CHECK BULB
1.
Replace bulb with other side bulb or new one.
2.
Check if rear turn signal lamp illuminates correctly.
OK or NG
OK
>> Replace combination flasher unit.
NG
>> GO TO 2.
2.
CHECK REAR COMBINATION LAMP GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear combination lamp connector.
3.
Check continuity between rear combination lamp LH harness
connector B53 terminal 6 (B), and rear combination lamp RH
harness connector B58 terminal 6 (B) and ground.
OK or NG
OK
>> Check harness for open or short between front combi-
nation lamp and combination switch.
NG
>> Repair harness.
2 (B) - Ground
: Continuity should exist.
PKIA5925E
6 (B) - Ground
: Continuity should exist.
PKIA5926E
LT-100
TURN SIGNAL AND HAZARD WARNING LAMPS
LH and RH Turn Indicators Do Not Operate
AKS003ZL
1.
CHECK COMBINATION METER GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check continuity between combination meter harness connector
M42 terminal 45 (B) and ground.
OK or NG
OK
>> Replace combination meter.
NG
>> Repair harness.
LH or RH Turn Indicator Does Not Operate
AKS003ZM
1.
CHECK COMBINATION METER GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check continuity between combination meter harness connector
M42 terminal 45 (B) and ground.
OK or NG
OK
>>
●
When LH turn indicator does not operate, GO TO 2.
●
When RH turn indicator does not operate, GO TO 3.
NG
>> Repair harness.
2.
CHECK COMBINATION METER LH INDICATOR POWER SUPPLY CIRCUIT
1.
Disconnect combination switch connector.
2.
Check continuity between combination meter harness connector
M41 terminal 19 (P) and combination switch harness connector
M55 terminal 3 (G/R).
3.
Check continuity between combination meter harness connector
M41 terminal 19 (P) and ground.
OK or NG
OK
>> Replace combination meter.
NG
>> Repair harness or connector.
45 (B) - Ground
: Continuity should exist.
PKIA5927E
45 (B) - Ground
: Continuity should exist.
PKIA5927E
19 (P) - 3 (G/R)
: Continuity should exist.
19 (P) - Ground
: Continuity should not exist.
PKIA5928E
TURN SIGNAL AND HAZARD WARNING LAMPS
LT-101
C
D
E
F
G
H
I
J
L
M
A
B
LT
3.
CHECK COMBINATION METER RH INDICATOR POWER SUPPLY CIRCUIT
1.
Disconnect combination switch connector.
2.
Check continuity between combination meter harness connector
M42 terminal 41 (G/Y) and combination switch harness connec-
tor M55 terminal 2 (G/OR).
3.
Check continuity between combination meter harness connector
M42 terminal 41 (G/Y) and ground.
OK or NG
OK
>> Replace combination meter.
NG
>> Repair harness or connector.
Electrical Components Inspection
AKS002FX
COMBINATION FLASHER UNIT CHECK
●
Before checking, ensure that bulbs meet specifications.
●
Connect a battery and test lamp to the combination flasher unit,
as shown. Combination flasher unit is properly functioning if it
blinks when power is supplied to the circuit.
Bulb Replacement
AKS002FY
FRONT TURN SIGNAL LAMP
Refer to
REAR TURN SIGNAL LAMP
Refer to
LT-125, "REAR COMBINATION LAMP"
in “PARKING, LICENSE PLATE AND TAIL LAMPS”.
Removal and Installation
AKS002FZ
FRONT TURN SIGNAL LAMP
Refer to
LT-42, "Removal and Installation"
in “HEADLAMP (USA)”.
SIDE TURN SIGNAL LAMP
Refer to
GW-118, "Disassembly and Assembly"
in “GLASSES, WINDOW SYSTEM & MIRRORS (GW)” sec-
tion.
REAR TURN SIGNAL LAMP
Refer to
LT-127, "REAR COMBINATION LAMP"
in “PARKING, LICENSE PLATE AND TAIL LAMPS”.
41 (G/Y) - 2 (G/OR)
: Continuity should exist.
41 (G/Y) - Ground
: Continuity should not exist.
PKIA5929E
PKIA5930E
LT-102
LIGHTING AND TURN SIGNAL SWITCH
LIGHTING AND TURN SIGNAL SWITCH
PFP:25540
Removal and Installation
AKS002G0
1.
Remove steering column cover. Refer to
in “IP” section.
2.
Remove lighting and turn signal switch mounting screws and
remove lighting and turn signal switch from spiral cable.
3.
Disconnect lighting and turn signal switch connector.
Switch Circuit Inspection
AKS002G1
Using circuit tester, check continuity between the lighting and turn signal switch connector terminals in each
operation status of the switch.
Hi: “HIGH BEAM” position, Lo: “LOW BEAM” position, P: “FLASH TO PASS” position
PKIA2249E
SKIA0469E
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