battery INFINITI QX56 2006 Factory Service Manual

GW-32
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Terminal and Reference Value for BCMEIS005XU
Terminal Wire ColorItemCondition Voltage (V)
(Approx.)
11 O Ignition switch (ACC or ON) Ignition switch
(ACC or ON position) Battery voltage
12 R/L Front door switch RH signal ON (Open)
Battery voltage
OFF (Close) 0
22 W/V BUS When ignition switch ON or
power window timer operates
38 W/L Ignition switch (ON or START) Ignition switch
(ON or START position)
Battery voltage
47 SB Front door switch LH signal ON (Open)
Battery voltage
OFF (Close) 0
67 B Ground —0
68 W/L Power window power supply
(RAP) When ignition switch ON
Battery voltage
Within 45 seconds after ignition
switch is turned to OFF Battery voltage
More than 45 seconds after igni-
tion switch is turned to OFF 0
When front door LH or RH is
open or power window timer
operates 0
69 W/R Power window power supply
(BAT) —
Battery voltage
70 W/B Battery power supply —Battery voltage
PIIA2344J

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BCM Power Supply and Ground Circuit CheckEIS005XY
1. CHECK FUSE AND FUSIBLE LINK

Check 10A fuse (No. 4, located in the fuse block (J/B)]

Check 10A fuse (No. 59, located in the fuse and relay box)

Check 50A fusible link (letter f , located in the fuse and fusible link box)
NOTE:
Refer to GW-15, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "PRECAUTIONS" .
2. CHECK BCM POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the harness.
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
Connector Terminals
Power
source Condition Voltage (V)
(Approx.)
(+) (-)
M20 70 Ground Battery
power
supply Ignition
switch
OFF Battery voltage
M18 38 Ground
Ignition
power
supply Ignition
switch
ON or
START Battery voltage
11 Ground ACC
power
supply Ignition
switch
ACC or ON Battery voltage
LIIA0995E
67 - Ground
: Continuity should exist.
LIIA0915E

GW-38
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Main Power Window and Door Lock/Unlock Switch Power Supply and Ground
Circuit Check
EIS005XZ
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/ unlock switch connector D7 terminal 10, D8 terminal 19 and
ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between main power window and door lock/ unlock switch connector D8 terminal 17 and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace harness.
3. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and main power window and door lock/unlock switch.
3. Check continuity between BCM connector and main power win- dow and door lock/unlock switch connectors.
4. Check continuity between BCM and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness. 10 - Ground
: Battery voltage
19 - Ground : Battery voltage
LIIA2297E
17 - Ground : Continuity should exist.
LIIA0392E
Connector
Terminal Connector
Terminal Continuity
AB
BCM: M20 68
Main power window and
door lock/unlock switch:
D7 10 Yes
69 C
19 Yes
Main power window and
door lock/unlock switch: D8
Connector Terminal
GroundContinuity
A
BCM: M20 68
No
69 No
LIIA2215E

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4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminals 68, 69 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM.
Power Window and Door Lock/Unlock Switch RH Power Supply and Ground
Circuit Check
EIS005Y0
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between power window and door lock/unlock switch RH connector D105 terminal 10 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace harness.
3. CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector M20 (A) terminal 69 and power window and door lock/unlock switch RH connector
D105 (B) terminal 10.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness. 68 - Ground
: Battery voltage
69 - Ground : Battery voltage
LIIA0917E
10 - Ground : Battery voltage
LIIA1257E
11 - Ground: Continuity should exist.
LIIA1258E
69 - 10 : Continuity should exist.
LIIA2298E

GW-40
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 69 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM. Refer to BCS-20, "
BCM" .
Front Power Window Motor LH Circuit CheckEIS005Y1
1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/ unlock switch connector D7 terminals 8, 11 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace main power window and door lock/unlock switch. Refer to EI-32, "
REMOVAL" .
2. CHECK POWER WINDOW MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and front power window motor LH.
3. Check continuity between main power window and door lock/ unlock switch connector D7 terminals 8, 11 and front power win-
dow motor LH connector D9 terminals 1, 2.
OK or NG
OK >> Replace front power window motor LH.
NG >> Repair or replace harness. Refer to GW-66, "
FRONT DOOR GLASS REGULATOR" .
69 - Ground
: Battery voltage
WIIA0508E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D7 8
Ground UP Battery voltage
DOWN 0
11 UP
0
DOWN Battery voltage
LIIA0317E
8 - 2 : Continuity should exist.
11 - 1 : Continuity should exist.
LIIA1260E

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Front Power Window Motor RH Circuit CheckEIS005Y2
1. CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
1. Connect power window and door lock/unlock switch RH.
2. Turn ignition switch ON.
3. Check voltage between power window and door lock/unlock switch RH connector D105 terminals 8, 9 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace power window and door lock/unlock switch RH. Refer to EI-32, "
REMOVAL" .
2. CHECK FRONT POWER WINDOW MOTOR RH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH and power window and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock switch RH connector D105 terminals 8, 9 and front power win-
dow motor RH connector D104 terminals 1, 2.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-66,
"FRONT DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Limit Switch Circuit Check Front LHEIS005Y3
1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH LIMIT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/ unlock switch connector D7 termimal 9 and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D105 9
Ground UP
0
DOWN Battery voltage
8 UP Battery voltage
DOWN 0
LIIA1261E
8 - 2 : Continuity should exist.
9 - 1 : Continuity should exist.
LIIA1262E
ConnectorTerminal
Condition Voltage (V)
(Approx.)
(+) (-)
D7 9 Ground Front power window LH is
between fully-open and just
before fully-closed position
(ON)
0
Front power window LH is
between just before fully-
closed position and fully-
closed position (OFF) 5
LIIA0339E

GW-48
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Door Switch CheckEIS005Y7
1. CHECK FRONT DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check front door switches ( “DOOR SW-DR” and “DOOR SW-AS ” )
in “DATA MONITOR” mode with CONSULT-II. Refer to GW-34,
"DATA MONITOR" .
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Front door switch is OK.
NG >> GO TO 2.
2. CHECK FRONT DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front door switch LH or RH and BCM.
3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M19 terminal 47
(LH) or connector M18 terminal 12 (LH).
4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item Condition
DOOR SW-DR OPEN: ON
CLOSE: OFF
DOOR SW-AS OPEN: ON
CLOSE: OFF
Item Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
Front RH M18 12 GroundOPEN
0
CLOSE Battery voltage
Front LH M19 47 OPEN
0
CLOSE Battery voltage
PIIA2464E
LIIA0946E
Front LH
2 - 47 : Continuity should exist.
Front RH
2 - 12 : Continuity should exist.
2 - Ground : Continuity should not exist.
LIIA0947E

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Rear Power Window Control Unit LH or RH Power Supply and Ground Circuit
Check
EIS005YA
1. CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Rear power window control unit LH.
3. Turn ignition switch ON.
4. Check voltage between rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 13 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit LH or RH.
3. Check continuity between rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 15 and ground.
OK or NG
OK >> Rear power window control unit LH or RH power supply and ground circuit is OK. Refer to GW-35, "
Trouble
Diagnoses Symptom Chart" .
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW CONTROL UNIT LH OR RH POWER SUPPLY CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M20 terminal 69 and rear power window control unit LH or RH connector D209 (LH),
D309 (RH) terminal 13.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 69 and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM. Refer to BCS-20, "
BCM" .
13 - Ground : Battery voltage
LIIA1346E
15 - Ground
: Continuity should exist.
LIIA2043E
69 - 13: Continuity should exist.
LIIA1352E
69 - Ground : Battery voltage
WIIA0508E

GW-54
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Rear Power Window Switch LH or RH Power Supply and Ground Circuit CheckEIS005YB
1. CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Turn ignition switch ON.
4. Check voltage between rear power window switch LH or RH connector D203 (LH), D303 (RH) terminals 2, 3 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Check continuity between rear power window switch LH or RH connector D203 (LH), D303 (RH) terminals 1, 7 and ground.
OK or NG
OK >> Rear power window switch LH or RH power supply and ground circuit is OK. Refer to GW-35, "
Trouble Diag-
noses Symptom Chart" .
NG >> Repair or replace harness.
Rear Power Window Motor LH Circuit Check EIS005YC
1. CHECK REAR POWER WINDOW SWITCH LH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch LH connector D203 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch LH. Refer to EI-33, "REMOVAL" .
NG >> GO TO 2. 2 - Ground : Battery voltage
3 - Ground : Battery voltage
LIIA1348E
1 - Ground
: Continuity should exist.
7 - Ground : Continuity should exist.
LIIA2044E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D203 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E

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2. CHECK REAR POWER WINDOW SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH and rear power win- dow control unit LH.
3. Check continuity between rear power window switch LH connec- tor D203 terminals 4, 5 and rear power window control unit LH
connector D209 terminals 9, 10.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window motor LH.
3. Check continuity between rear power window control unit LH connector D209 terminals 11, 12 and rear power window motor
LH connector D204 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor LH. Refer to GW-69,
"REAR DOOR GLASS REGULATOR" .
NG >> Repair or replace harness.
Rear Power Window Motor RH Circuit Check EIS005YD
1. CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch RH connector D303 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch RH. Refer to EI-33, "REMOVAL" .
NG >> GO TO 2. 4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2
: Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D303 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E