2004 INFINITI QX56 Factory Service Manual

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Page 873 of 3371

INFINITI QX56 2004 Factory Service Manual BL-108
AUTOMATIC BACK DOOR SYSTEM
Revision: August 20072004 QX56
Wiring Diagram — B/CLOS —EIS002SX
WIWA0863E

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INFINITI QX56 2004 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
BL-109
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Revision: August 20072004 QX56
WIWA0174E

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INFINITI QX56 2004 Factory Service Manual BL-110
AUTOMATIC BACK DOOR SYSTEM
Revision: August 20072004 QX56
WIWA0175E

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INFINITI QX56 2004 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
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Revision: August 20072004 QX56
WIWA1077E

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INFINITI QX56 2004 Factory Service Manual BL-112
AUTOMATIC BACK DOOR SYSTEM
Revision: August 20072004 QX56
WIWA1078E

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INFINITI QX56 2004 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
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Revision: August 20072004 QX56
Terminals and Reference Value for Back Door Control UnitEIS002SY
Te r m i n a l Wire
ColorItem ConditionVol

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INFINITI QX56 2004 Factory Service Manual BL-114
AUTOMATIC BACK DOOR SYSTEM
Revision: August 20072004 QX56
Terminals and Reference Value for BCMEIS002SZ
26 V Back door handle switch signalHandle operation 0
Other 5 Terminal Wire
ColorItem C

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INFINITI QX56 2004 Factory Service Manual AUTOMATIC BACK DOOR SYSTEM
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Trouble Diagnosis ProcedureEIS002T0
1. Check the symptom and customers requests.
2. Understand outline of sy

AUTOMATIC BACK DOOR SYSTEM
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Revision: August 20072004 QX56
Trouble Diagnosis ProcedureEIS002T0
1. Check the symptom and customer's requests.
2. Understand outline of system. Refer to BL-45, "
System Description" .
3. Confirm system operation.
4. Perform self-diagnosis procedures. Refer to BL-115, "
Self-Diagnosis Procedures" .
5. Refer to diagnosis chart by symptom, repair or replace any malfunctioning parts. Refer to BL-116, "
Diag-
nosis Chart" .
6. Inspection End.
Self-Diagnosis ProceduresEIS005X4
INPUT SIGNAL CHECK MODE
Input signal check mode allows testing of switch input signal to the back door control unit.
To activate input signal check mode on the automatic back door, perform the following steps:
1. Turn ignition switch OFF.
2. Turn back door close switch to CANCEL (system cancelled).
3. Place A/T selector lever in P position.
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 and hold the power liftgate switch.
10. After approximately 5 seconds, the back door warning chime will sound for 1 second.
11. Release the power liftgate switch.
12. The input signal check mode is now initialized.
The input signal check mode can test the following inputs. The back door warning chime will sound for approx-
imately 0.5 seconds each time a switch signal input occurs. Use this test when one of these inputs is not
responding during normal automatic back door operation.
*Back door warning chime should sound as soon as vehicle moves.
Turn ignition switch OFF to end input signal check mode.
OPERATING CHECK MODE
Operating check mode allows self-diagnosis of the automatic back door system.
To activate operating check mode on the automatic back door, perform the following steps:
1. Turn ignition switch OFF.
2. Turn back door close switch to CANCEL (system cancelled).
3. Place A/T selector lever in P position.
Switch signal Operation Refer to
Power liftgate switch OFF → ONBL-118
Back door close switch (CLOSE) OFF → ONBL-120
Back door close switch (CANCEL) OFF → ONBL-121
Back door handle switch OFF → ONBL-127
Glass switch OFF → ONBL-36
A/T device (park switch) P position → other than P positionAT- 1 9 1
Vehicle speed* Vehicle speedAT-6 8
Remote keyless entry signal Keyfob switch OFF → ONBL-66
Door lock/unlock signal LOCK → UNLOCKBL-34
Pinch strip LH signal OFF → ONBL-122
Pinch strip RH signal OFF → ONBL-122

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