turn signal INFINITI QX4 2005 Factory Service Manual

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
Lifting Switch (Front) Circuit InspectionEIS004Y9
1. CHECK FUNCTION
With CONSULT-II
With “LIFT FR SW-UP, LIFT FR SW-DN” on the DATA MONITOR,
operate the lifting switch (front) to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Lifting switch (front) circuit is OK.
NG >> GO TO 2.
2. CHECK LIFTING SWITCH (FRONT) CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector P2
terminals 13, 28 and power seat switch LH connector P2 termi-
nals 5, 6.
3. Check continuity between driver seat control unit connector P2
terminals 13, 28 and ground
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERA-
TION or UNIT]Contents
LIFT FR SW–
DN"ON/
OFF"ON / OFF status judged from the FR lifter switch
(DOWN) signal is displayed.
LIFT FR SW–
UP"ON/
OFF"ON / OFF status judged from the FR lifter switch (UP)
signal is displayed.
PIIA0323E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
P213 (L/B)
GroundLifting switch (front) ON
(DOWN operation)0
Other than above Battery voltage
28 (Y/B)Lifting switch (front) ON
(UP operation)0
Other than above Battery voltage
PIIA4583E
13 (L/B) - 5 (L/B) : Continuity should exist.
28 (Y/B) - 6 (Y/B) : Continuity should exist.
13 (L/B) - Ground : Continuity should not exist.
28 (Y/B) - Ground : Continuity should not exist.
LIIA1129E

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Revision: October 20052005 QX56
3. CHECK LIFTING SWITCH (FRONT)
Check continuity between power seat switch LH as follows.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace power seat switch LH.
Lifting Switch (Rear) Circuit InspectionEIS0 04 YA
1. CHECK FUNCTION
With CONSULT-II
With “LIFT RR SW-UP, LIFT RR SW-DN” on the DATA MONITOR,
operate the rear lifting switch to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Rear lifting switch circuit is OK.
NG >> GO TO 2.
ConnectorTerminals
Condition Continuity
(+) (–)
P85
3Lifting switch (front) ON
(DOWN operation)Ye s
Other than above No
6Lifting switch (front) ON
(UP operation)Ye s
Other than above No
LIIA1130E
Monitor item [OPERATION or
UNIT]Contents
LIFT RR SW–UP “ON/OFF”Operation (ON)/open (OFF) status judged
from the RR lifter switch (UP) signal is dis-
played.
LIFT RR SW–DN “ON/OFF”Operation (ON)/open (OFF) status judged
from the RR lifter switch (DOWN) signal is
displayed.
PIIA0323E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
P214 (G/W)
GroundRear lifting switch ON
(DOWN operation)0
Other than above Battery voltage
29 (R/W)Rear lifting switch ON
(UP operation)0
Other than above Battery voltage
PIIA4586E

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Revision: October 20052005 QX56
Pedal Adjusting Switch Circuit InspectionEIS004YC
1. CHECK FUNCTION
With CONSULT-II
With “PEDAL SW-FR, PEDAL SW-RR” on the DATA MONITOR,
operate the pedal adjusting switch to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and
ground.
OK or NG
OK >> Pedal adjusting switch circuit is OK.
NG >> GO TO 2.
2. CHECK PEDAL ADJUSTING SWITCH CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and pedal adjusting switch.
2. Check continuity between driver seat control unit connector P2
terminals 15, 30 and pedal adjusting switch connector M96 ter-
minals 2, 3.
3. Check continuity between driver seat control unit connector P2
terminals 15, 30 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION or
UNIT]Contents
PEDAL SW–FR “ON/OFF”Operation (ON)/open (OFF) status
judged from the pedal adjusting switch
(FR) signal is displayed.
PEDAL SW–RR “ON/OFF”Operation (ON)/open (OFF) status
judged from the pedal adjusting switch
(RR) signal is displayed.
PIIA4590E
ConnectorTe r m i n a l s
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
P215 (L)
GroundPedal adjusting switch
ON (BACKWARD oper-
ation)0
Other than above Battery voltage
30 (R)Pedal adjusting switch
ON (FORWARD opera-
tion)0
Other than above Battery voltage
PIIA4591E
15 (L) - 2 (L/Y) : Continuity should exist.
30 (R) - 3 (R) : Continuity should exist.
15 (L) - Ground : Continuity should not exist.
30 (R) - Ground : Continuity should not exist.
LIIA0726E

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Revision: October 20052005 QX56
Door Mirror Remote Control Switch (Changeover Switch) Circuit CheckEIS004YD
1. CHECK FUNCTION
With CONSULT–II
Check the operation on “MIR CHNG SW-R” or “MIR CHNG SW-L"
in the DATA MONITOR.
Without CONSULT–II
1. Turn ignition switch to ACC.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK
orNG
OK >> Door mirror remote control switch (changeover switch) is OK.
NG >> GO TO 2.
2. CHECK DOOR MIRROR REMOTE CONTROL SWITCH CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mirror remote control switch.
3. Check continuity between automatic drive positioner control unit
connector M33 terminals 2, 18 and door mirror remote control
switch connector D10 terminals 2, 3.
4. Check continuity between automatic drive positioner control unit
connector M33 terminals 2, 18 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION
or UNIT]Contents
MIR CHNG S
W–R“ON/OFF”ON/OFF status judged from the door mirror switch
(switching to RIGHT) signal is displayed.
MIR CHNG S
W–L“ON/OFF”ON/OFF status judged from the door mirror switch
(switching to LEFT) signal is displayed.
PIIA0191E
ConnectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
M332 (LG)
GroundChangeover switch
RIGHT position0
Other than above 5
18 (BR/W)Changeover switch
LEFT position0
Other than above 5
PIIA4767E
2 (LG) - 2 (LG) : Continuity should exist.
18 (BR/W) - 3 (BR/W) : Continuity should exist.
2 (LG) - Ground : Continuity should not exist.
18 (BR/W) - Ground : Continuity should not exist.
LIIA1821E

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3. CHECK DOOR MIRROR REMOTE CONTROL SWITCH (CHANGEOVER SWITCH)
Check continuity between door mirror remote control switch as follows.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace door mirror remote control switch.
Door Mirror Remote Control Switch (Mirror Switch) Circuit CheckEIS004YE
1. CHECK DOOR MIRROR REMOTE CONTROL SWITCH (MIRROR SWITCH) SIGNAL
With CONSULT–II
Check the operation on “MIR CON SW–UP/DN” and
“MIR CON SW–RH/LH” in the DATA MONITOR.
Without CONSULT–II
1. Turn ignition switch to ACC.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> Door mirror remote control switch (mirror switch) circuit is OK.
NG >> GO TO 2.
ConnectorTe r m i n a l s
Condition Continuity
(+) (–)
D103
13Changeover switch
RIGHT positionYe s
Other than above No
2Changeover switch LEFT
positionYe s
Other than above No
LIIA1822E
Monitor item [OPERATION
or UNIT]Contents
MIR CON SW
–UP“ON/OFF”ON/OFF status judged from the door mirror switch
(UP) signal is displayed.
MIR CON SW
–DN“ON/OFF”ON/OFF status judged from the door mirror switch
(DOWN) signal is displayed.
MIR CON SW
–RH“ON/OFF”ON/OFF status judged from the door mirror switch
(RIGHT) signal is displayed.
MIR CON SW
–LH“ON/OFF”ON/OFF status judged from the door mirror switch
(LEFT) signal is displayed.
PIIA0199E
ConnectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
M333 (Y/B)
GroundMirror switch UP operation 0
Other than above 5
4 (V/W)Mirror switch LEFT operation 0
Other than above 5
19 (SB)Mirror switch DOWN operation 0
Other than above 5
20 (GR)Mirror switch RIGHT operation 0
Other than above 5
PIIA4771E

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Revision: October 20052005 QX56
Seat Memory Switch Circuit InspectionEIS004YG
1. CHECK FUNCTION
With CONSULT-II
With “SET SW, MEMORY SW1, MEMORY SW2” on the DATA
MONITOR, operate the switch to check ON/OFF operation.
Without CONSULT-II
GO TO 2.
OK or NG
OK >> Seat memory switch circuit is OK.
NG >> GO TO 2.
2. CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch.
3. Operate the setting switch and seat memory switch.
4. Check continuity between seat memory switch as follows.
OK or NG
OK >> GO TO 3.
NG >> Replace seat memory switch.
Monitor item [OPERATION or
UNIT]Contents
MEMORY SW1 “ON/OFF”ON/OFF status judged from the seat
memory switch 1 signal is displayed.
MEMORY SW2 “ON/OFF”ON/OFF status judged from the seat
memory switch 2 signal is displayed.
SET SW “ON/OFF”ON/OFF status judged from the setting
switch signal is displayed.
PIIA0309E
Con-
nectorTerminal
Condition Continuity
(+) (–)
D51
4Memory switch 1: ON Yes
Memory switch 1: OFF No
2Memory switch 2: ON Yes
Memory switch 2: OFF No
3Set switch: ON Yes
Set switch: OFF No
LIIA1020E

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Revision: October 20052005 QX56
2. CHECK SEAT MEMORY SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect seat memory switch.
3. Check voltage between seat memory switch connector D5 ter-
minal 5 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK SEAT MEMORY INDICATOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit.
3. Check continuity between automatic drive positioner control unit
connector M33 terminals 12, 13 and seat memory switch con-
nector D5 terminals 6, 7.
4. Check continuity between automatic drive positioner control unit
connector M33 terminals 12, 13 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK SEAT MEMORY SWITCH INDICATOR SIGNAL
1. Connect seat memory switch.
2. Turn ignition switch ON.
3. Check voltage between automatic drive positioner control unit
connector M33 terminals 12, 13 and ground.
OK or NG
OK >> Replace automatic drive positioner control unit.
NG >> Replace seat memory switch.5 (Y/R) - Ground : Battery voltage
PIIA4595E
12 (P) - 6 (P) : Continuity should exist.
13 (Y/G) - 7 (Y/G) : Continuity should exist.
12 (P) - Ground : Continuity should not exist.
13 (Y/G) - Ground : Continuity should not exist.
LIIA1022E
12 (P) - Ground : Battery voltage
13 (Y/G) - Ground : Battery voltage
LIIA1134E

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Revision: October 20052005 QX56
A/T Device (Detent Switch) Circuit InspectionEIS004YJ
1. CHECK FUNCTION
With CONSULT-II
Check that when the A/T shift lever is in P position, “DETENT SW”
on the DATA MONITOR becomes OFF.
Without CONSULT-II
GO TO 2.
OK or NG
OK >> A/T device (detent switch) circuit is OK.
NG >> GO TO 2.
2. CHECK A/T DEVICE (DETENT SWITCH) HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/T device and driver seat control unit.
3. Check continuity between A/T device connector M203 terminal 6
and driver seat control unit connector P2 terminal 21.
4. Check continuity between A/T device connector M203 terminal 6
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DETENT SWITCH
Check continuity between A/T device (detent switch) as follows.
OK or NG
OK >> A/T device is OK.
NG >> Replace A/T device.
Monitor item
[OPERATION or UNIT]Contents
DETENT SW“ON/
OFF”The selector lever position “P position (OFF)/other than P
position (ON)” judged from the park switch signal is dis-
played.
PIIA0291E
6 (L/R) - 21 (L/R) : Continuity should exist.
6 (L/R) - Ground : Continuity should not exist.
LIIA1024E
ConnectorTe r m i n a l s
Condition Continuity
(+) (–)
M203 5 6P position No
Other than
P positionYe s
LIIA1491E

AUTOMATIC DRIVE POSITIONER
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Revision: October 20052005 QX56
Steering Wheel Tilt Switch Circuit InspectionEIS004YK
1. CHECK FUNCTION
With CONSULT-II
With “TILT SW-UP, TILT SW-DOWN” on the DATA MONITOR, oper-
ate the ADP steering wheel tilt switch to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit
connector and ground.
OK or NG
OK >> ADP steering wheel tilt switch circuit is OK.
NG >> GO TO 2.
2. CHECK ADP STEERING WHEEL TILT SWITCH HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit connector and ADP steering wheel tilt switch.
2. Check continuity between automatic drive positioner control unit
connector M33 terminals 1, 17 and ADP steering wheel tilt
switch connector M16 terminals 2, 3.
3. Check continuity between automatic drive positioner control unit
connector M33 terminals 1, 17 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION or
UNIT]Contents
TILT SW-UP “ON/OFF”Operation (ON)/open (OFF) status
judged from the tilt switch (FR) signal is
displayed.
TILT SW-DOWN “ON/OFF”Operation (ON)/open (OFF) status
judged from the tilt switch (RR) signal is
displayed.
PIIA0315E
ConnectorTerminals
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M331 (W/G)
GroundTilt switch ON (UP
operation)0
Other than above 5
17 (G/B)Tilt switch ON (DOWN
operation)0
Other than above 5
LIIA0491E
1 (W/G) - 2 (W/G) : Continuity should exist.
17 (G/B) - 3 (G/B) : Continuity should exist.
1 (W/G) - Ground : Continuity should not exist.
17 (G/B) - Ground : Continuity should not exist.
LIIA1434E

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Revision: October 20052005 QX56
UART Communication Line Circuit InspectionEIS004YM
1. CHECK UART LINE INPUT/OUTPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and
ground, with oscilloscope.
OK or NG
OK >> GO TO 2.
NG >> Check the following.

When voltage wave form does not appear with a constant voltage (approx. 5V), replace driver
seat control unit.

When voltage wave form does not appear with a constant voltage (approx. 0V), replace auto-
matic driver seat control unit.
2. CHECK UART LINE INPUT/OUTPUT SIGNAL 2
Check signal between automatic drive positioner control unit con-
nector ground, with oscilloscope.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

When voltage wave form does not appear with a constant voltage (approx. 5V), replace auto-
matic drive positioner control unit.

When voltage wave form does not appear with a constant voltage (approx. 0V), replace driver
seat control unit.
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
P2 17 (W) GroundPedal
adjusting
switch ON
(FOR-
WAR D or
BACK-
WAR D
operation)
PIIA4599E
PIIA4814E
ConnectorTe r m i n a l s
(Wire color)
Condition Signal
(+) (–)
M33 10 (L) GroundPedal
adjusting
switch ON
(FOR-
WAR D or
BACK-
WAR D
operation)
PIIA4816E
PIIA4813E