2005 INFINITI QX4 Factory Service Manual

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Page 881 of 3419

INFINITI QX4 2005 Factory Service Manual BL-114
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
4. Using the inside emergency release lever, open the back door.
5. Have an assistant press and hold the back door handle switch.
6. W

BL-114
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
4. Using the inside emergency release lever, open the back door.
5. Have an assistant press and hold the back door handle switch.
6. While the assistant continues to hold the back door handle switch, turn ignition switch ON (DO NOT start
engine).
7. After approximately 5 seconds, the back door warning chime will sound for 0.5 seconds.
8. Release the back door handle switch.
9. Within 8 seconds of the back door warning chime sounding, press the power liftgate switch 5 times in
rapid succession.
10. After approximately 5 seconds, the back door warning chime will sound for 1 second.
11. Release the power liftgate switch.
12. Immediately close the back door manually.
13. Press and release the power liftgate switch to activate operating check mode.
Self-diagnosis results are indicated by the back door warning chime.
Turn ignition switch OFF to end input signal check mode.
Diagnosis ChartEIS008RB
Back door warning chime order Back door warning chime length
Start self-diagnosis1.5 seconds
OK NG
1. Operating conditions diagnosis 0.5 seconds 0.2 seconds
2. Back door encoder diagnosis 0.5 seconds 0.2 seconds
3. Back door clutch diagnosis 0.5 seconds 0.2 seconds
4. Back door motor diagnosis 0.5 seconds 0.2 seconds
5. Cinch latch motor diagnosis 0.5 seconds 0.2 seconds
Restart self-diagnosis 1.5 seconds
Item NG Result Refer to
1. Operating conditions diagnosis resultOne of the following operating conditions no
longer met: ignition switch ON, back door
close switch (CANCEL) ON, A/T selector lever
in P position—
2. Back door encoder diagnosis resultSensor diagnosis/short, pulse signal, pulse
signal directionBL-135
3. Back door clutch diagnosis result Back door clutch does not operateBL-135
4. Back door motor diagnosis resultBack door motor does not operate (no operat-
ing current)BL-135
5. Cinch latch motor diagnosis resultCinch latch motor does not operate (no oper-
ating current)BL-135
Symptom Suspect systems Refer to
Automatic operations are not executed from the back door fully
closed or fully open position.
(Auto closure operates normally.)Power liftgate switch system inspectionBL-116
Park switch —
Power window serial linkBL-112
Pinch strip system inspectionBL-121
Automatic operations are not carried out together with open/close
operations.
(Manual operations are normal.)Power liftgate switch system inspectionBL-116Back door close switch system inspectionBL-118
Auto back door power supply and ground cir-
cuit system inspection.BL-115
The auto closure function does not operate.
(Stops at the halfway position for auto closing operations.)Pinch strip system inspectionBL-121

Page 882 of 3419

INFINITI QX4 2005 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
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Back Door Power Supply and Ground Circuit InspectionEIS008RC
1. BACK DOOR POWER SUPPLY CIRCUIT INSPECTION
1.

Page 883 of 3419

INFINITI QX4 2005 Factory Service Manual BL-116
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
Power Liftgate Switch System InspectionEIS008RD
1. POWER LIFTGATE SWITCH FUNCTION INSPECTION
Check power liftgate switch using switch

Page 884 of 3419

INFINITI QX4 2005 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
BL-117
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5. POWER LIFTGATE SWITCH GROUND INSPECTION
Check continuity between power liftgate switch connector terminal

Page 885 of 3419

INFINITI QX4 2005 Factory Service Manual BL-118
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
2. CHECK GLASS HATCH AJAR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect glass hatch ajar switch, BCM and back door control

Page 886 of 3419

INFINITI QX4 2005 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
BL-119
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2. BACK DOOR CLOSE SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While operating the back door cl

Page 887 of 3419

INFINITI QX4 2005 Factory Service Manual BL-120
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
2. BACK DOOR CLOSE (CANCEL) SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While operating the back door close (cancel) swit

Page 888 of 3419

INFINITI QX4 2005 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
BL-121
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Revision: October 20052005 QX56
Pinch Strip System InspectionEIS008RG
1. PINCH STRIP SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While

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