2006 INFINITI M35 turn signal

ACTIVE AFS
LT-177
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Revision: 2006 January2006 M35/M45
11 . CHECK HEIGHT SENSOR SIGNAL CIRCUIT (SHORT CIRCUIT)
1. Disconnect AFS control unit connector.
2. Check continuity between AFS control unit harness connector
F110 terminal 28 and ground.
OK or NG
OK >> Replace height sensor. Refer to LT- 1 9 2 , "Removal and
Installation of Height Sensor" .
NG >> Repair harness or connector.
12. CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT (SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.
3. Check continuity between AFS control unit harness connector
F110 terminal 6 and ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> Repair harness or connector.28 – Ground : Continuity should not exist.
SKIB4970E
6 – Ground : Continuity should not exist.
PKIC0674E

LT-178
ACTIVE AFS
Revision: 2006 January2006 M35/M45
DTC B2521 ECU CIRCNKS003QR
1. CHECK SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> GO TO 2.
NG >>
If voltage is less than approx. 4 V, GO TO 3.
If voltage is more than approx. 6 V, GO TO 4.
2. CHECK SENSOR SIGNAL
Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >>
If voltage is less than approx. 0.25 V, GO TO 5.
If voltage is more than approx. 4.75 V, GO TO 6.
3. CHECK SENSOR POWER SUPPLY CIRCUIT (GROUND SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.
3. Check continuity between AFS control unit harness connector
and ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 7.
(+)
(-) Voltage
AFS control unit
connectorTerminal
F1104
Ground Approx. 4 – 6V 6
24
PKIC0675E
(+)
(-) Voltage
AFS control unit
connectorTerminal
F1109
Ground Approx. 0.25 – 4.75 V 28
29
PKIC0676E
AFS control unit
GroundContinuity
Connector Terminal
F1104
No 6
24
PKIC0677E

ACTIVE AFS
LT-179
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Revision: 2006 January2006 M35/M45
4. CHECK SENSOR POWER SUPPLY CIRCUIT (IGN POWER SUPPLY SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.
3. Turn ignition switch ON.
4. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 8.
5. CHECK SENSOR SIGNAL CIRCUIT (GROUND SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.
3. Check continuity between AFS control unit harness connector
and ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 7.
6. CHECK SENSOR SIGNAL CIRCUIT (IGN POWER SUPPLY SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.
3. Turn ignition switch ON.
4. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 8.
(+)
(-) Voltage
AFS control
unit connectorTe r m i n a l
F1104
Ground Approx. 0 V 6
24
PKIC0678E
AFS control unit
GroundContinuity
Connector Terminal
F1109
No 28
29
PKIC0679E
(+)
(-) Voltage
AFS control unit
connectorTerminal
F1109
Ground Approx. 0 V 8
29
PKIC0680E

LT-180
ACTIVE AFS
Revision: 2006 January2006 M35/M45
7. CHECK SENSOR SIGNAL AND POWER SUPPLY CIRCUIT (GROUND SHORT CIRCUIT)
1. Disconnect height sensor connector, front combination lamp LH and RH connector.
2. Check continuity between AFS control unit harness connector
and ground.
OK or NG
OK >> Replace height sensor, front combination lamp LH or RH with malfunction at the preceding pro-
cess 3 or 5. Refer to LT- 1 9 2 , "
Removal and Installation of Height Sensor" or LT- 1 9 0 , "Removal
and Installation of Front Combination Lamp" .
NG >> Repair harness or connector.
8. CHECK SENSOR SIGNAL AND POWER SUPPLY CIRCUIT (IGN POWER SUPPLY SHORT CIRCUIT)
1. Turn ignition switch OFF.
2. Disconnect height sensor connector, front combination lamp LH and RH connector.
3. Turn ignition switch ON.
4. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> Replace height sensor, front combination lamp LH or RH with malfunction at the preceding pro-
cess 4 or 6. Refer to LT- 1 9 2 , "
Removal and Installation of Height Sensor" or LT- 1 9 0 , "Removal
and Installation of Front Combination Lamp" .
NG >> Repair harness or connector.
AFS control unit
GroundContinuity
Connector Terminal
F1104
No 6
9
24
28
29
PKIC0681E
(+)
(-) Voltage
AFS control unit
connectorTerminal
F1104
Ground Approx. 0 V 6
9
24
28
29
PKIC0682E

ACTIVE AFS
LT-185
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Revision: 2006 January2006 M35/M45
Circuit)" .
AFS Switch Does Not OperateNKS003QU
1. CHECK AFS SWITCH SIGNAL 1
1. Turn ignition switch ON.
2. Select “ADAPTIVE LIGHT” on CONSULT-II. Select “DATA
MONITOR” on “SELECT DIAG MODE” screen.
3. Make sure that “AFS SW” turn ON-OFF according to AFS switch
operation.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 2.
2. CHECK AFS SWITCH
1. Turn ignition switch OFF.
2. Disconnect AFS switch connector.
3. Check continuity AFS switch.
OK or NG
OK >> GO TO 3.
NG >> Replace AFS switch. Refer to LT- 1 9 1 , "
Removal and
Installation of AFS Switch" .
3. CHECK AFS SWITCH SIGNAL 2
1. Connect AFS switch connector.
2. Turn ignition switch ON.
3. Check voltage between AFS control unit harness connector and
ground according to AFS switch operation.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >>
If voltage is approx. 0V and stays unchanged, GO TO 4.
If voltage is battery voltage and stays unchanged, GO TO 6.
SKIB4793E
AFS switch
Condition Continuity
Te r m i n a l
14AFS switch is ON. No
AFS switch is OFF. Yes
PKIC0684E
(+)
(-) Condition Voltage
AFS control
unit connectorTerminal
F110 3 GroundAFS switch is ON. Approx. 0 V
AFS switch is OFF. Battery voltage
PKIC0683E

ACTIVE AFS
LT-187
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LT
Revision: 2006 January2006 M35/M45
Auto Aiming Does Not Operate (Check Aiming Motor System Circuit)NKS003QV
1. CHECK AIMING MOTOR
1. Start engine and turn lighting switch to 2ND position.
2. Select “ADAPTIVE LIGHT” on CONSULT-II. Select “ACTIVE
TEST” on “SELECT DIAG MODE” screen.
3. Select “LEVELIZER TEST” on “SELECT TEST ITEM” screen.
4. Touch “ORIGIN” or “PEAK” screen.
5. Make sure of aiming motor operation.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 1 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 2.
2. CHECK AIMING MOTOR DRIVE SIGNAL
1. Touch “ORIGIN” or “PEAK” screen in “LEVELIZER TEST”.
2. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 6.
3. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH and LH connector.
3. Start engine.
4. Touch “ORIGIN” or “PEAK” screen in “LEVELIZER TEST”.
5. Check voltage between front combination lamp RH harness
connector and front combination lamp LH and RH harness con-
nector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
SKIB4796E
(+)
(-) Condition Voltage
AFS control unit
connectorTerminal
RH
F11019
GroundORIGIN Approx. 10.6 V
PEAK Approx. 1.9 V
LH 40ORIGIN Approx. 10.6 V
PEAK Approx. 1.9 V
PKIC0687E
(+)
(-) Condition Voltage
Front combination
lamp connectorTerminal
RH E70 12
GroundORIGIN Approx. 10.6 V
PEAK Approx. 1.9 V
LH E71 12ORIGIN Approx. 10.6 V
PEAK Approx. 1.9 V
PKIC0688E

LT-188
ACTIVE AFS
Revision: 2006 January2006 M35/M45
4. CHECK AIMING MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Turn ignition switch ON.
3. Check voltage between front combination lamp RH and LH har-
ness connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK AIMING MOTOR GROUND
1. Turn ignition switch OFF.
2. Check continuity between front combination lamp RH and LH
harness connector and ground.
OK or NG
OK >> Replace front combination lamp RH and LH (aiming
motor malfunction). Refer to LT- 1 9 0 , "
Removal and
Installation of Front Combination Lamp" .
NG >> Repair harness or connector.
6. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH and LH connector.
3. Start engine.
4. Touch “ORIGIN” or “PEAK” screen in “LEVELIZER TEST”.
5. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> Replace front combination lamp RH and LH (aiming motor malfunction). Refer to LT- 1 9 0 ,
"Removal and Installation of Front Combination Lamp" .
NG >> GO TO 7.
(+)
(-) Voltage
Front combination
lamp connectorTerminal
RH E70 13
Ground Battery voltage
LH E71 13
PKIC0689E
Front combination
lamp connectorTerminal
GroundContinuity
RH E70 11
Ye s
LH E71 11
PKIC0690E
(+)
(-) Condition Voltage
AFS control unit
connectorTerminal
RH
F11019
GroundORIGIN Approx. 10.6 V
PEAK Approx. 1.9 V
LH 40ORIGIN Approx. 10.6 V
PEAK Approx. 1.9 V
SKIB4960E

ACTIVE AFS
LT-189
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LT
Revision: 2006 January2006 M35/M45
7. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AFS control unit connector.
3. Check continuity between AFS control unit harness connector
(A) and front combination lamp LH/RH harness connector (B).
4. Check continuity between AFS control unit harness connector
(A) and ground.
OK or NG
OK >> Replace AFS control unit. Refer to LT-191, "Removal and Installation of AFS Control Unit" .
NG >> Repair harness or connector.
CircuitAB
Continuity
Connector Terminal Connector Terminal
RH
F11019 E70 12
Ye s
LH 40 E71 12
A
GroundContinuity
Connector Terminal
F11019
No
40
PKIC0691E