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BL-122
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
Back Door Warning Chime System InspectionEIS008RH
1. BACK DOOR WARNING CHIME CIRCUIT INSPECTION
1. Disconnect back door warning chime and back door control unit.
2. Check continuity between back door warning chime connector
D514 terminal 1 and back door control unit connector B55 termi-
nal 6.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. WARNING CHIME CIRCUIT INSPECTION
Check continuity between back door warning chime connector D514
terminal 2 and back door control unit connector B55 terminal 9.
OK or NG
OK >> Replace warning chime.
NG >> Repair or replace harness.
Half-Latch Switch System InspectionEIS008RI
1. HALF-LATCH SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While fully opening and closing the back door, check voltage
between back door control unit connector B55 terminal 22 and
ground.
OK or NG
OK >> Half-latch switch is OK.
NG >> GO TO 2.1 - 6 : Continuity should exist.
LIIA0822E
2 - 9 : Continuity should exist.
LIIA2182E
22 - Ground
LIIA0826EPIIA2169E
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AUTOMATIC BACK DOOR SYSTEM
BL-123
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2. HALF-LATCH SWITCH CIRCUIT INSPECTION
1. Disconnect back door latch and back door control unit connector.
2. Check continuity between back door latch (half-latch switch)
connector D503 terminal 6 and back door control unit connector
B55 terminal 22.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. HALF-LATCH SWITCH GROUND INSPECTION
Check continuity between back door latch (half-latch switch) connec-
tor D503 terminal 8 and ground.
OK or NG
OK >> Replace the back door latch.
NG >> Repair or replace harness.
Open Switch System InspectionEIS008RJ
1. OPEN SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While fully closing and opening the back door, check voltage
between back door control unit connector B55 terminal 15 and
ground.
OK or NG
OK >> Open switch is OK.
NG >> GO TO 2.6 - 22 : Continuity should exist.
LIIA0827E
8 - Ground : Continuity should exist.
LIIA0828E
15 - Ground
LIIA0829EPIIA2171E
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BL-124
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
2. OPEN SWITCH CIRCUIT INSPECTION
1. Disconnect back door latch and back door control unit connector.
2. Check continuity between back door latch (open switch) connec-
tor D503 terminal 4 and back door control unit connector B55
terminal 15.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. OPEN SWITCH GROUND INSPECTION
Check continuity between back door latch (open switch) connector
D503 terminal 8 and ground.
OK or NG
OK >> Replace the back door latch.
NG >> Repair or replace harness.
Close Switch System InspectionEIS008RK
1. CLOSE SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While fully opening and closing the back door, check voltage
between back door control unit connector B55 terminal 14 and-
ground.
OK or NG
OK >> Close switch is OK.
NG >> GO TO 2.4 - 15 : Continuity should exist.
LIIA0830E
8 - Ground : Continuity should exist.
LIIA0828E
14 - Ground
LIIA0831EW IIA1047E
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AUTOMATIC BACK DOOR SYSTEM
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2. CLOSE SWITCH CIRCUIT INSPECTION
1. Disconnect back door latch and back door control unit.
2. Check continuity between back door latch (close switch) con-
nector D503 terminal 5 and back door control unit connector
B55 terminal 14.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CLOSE SWITCH GROUND INSPECTION
Check continuity between back door latch (close switch) connector
D503 terminal 8 and ground.
OK or NG
OK >> Replace the back door latch.
NG >> Repair or replace harness.
Back Door Handle Switch System InspectionEIS008RL
1. BACK DOOR HANDLE SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While operating the back door handle switch, check voltage
between back door control unit connector B55 terminal 26 and
ground.
OK or NG
OK >> Back door handle switch is OK.
NG >> GO TO 2.5 - 14 : Continuity should exist.
LIIA0832E
8 - Ground : Continuity should exist.
LIIA0828E
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
26 GroundBack door handle switch (ON) 0
Other (OFF) Battery voltage
LIIA0833E
Page 893 of 3419

BL-126
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
2. BACK DOOR HANDLE SWITCH CIRCUIT INSPECTION
1. Disconnect back door handle switch and back door control unit.
2. Check continuity between back door handle switch connector
D706 terminal 3 and back door control unit connector B55 termi-
nal 26.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
3. BACK DOOR HANDLE SWITCH GROUND INSPECTION
Check continuity between back door handle switch connector D706
terminal 4 and ground.
OK or NG
OK >> Replace the back door handle switch.
NG >> Repair or replace harness.
Cinch Latch Motor System InspectionEIS008RM
1. CINCH LATCH MOTOR SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While fully opening and closing the back door, check voltage
between back door control unit connector B55 terminals 11, 12
and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace the back door control unit.
2. CINCH LATCH MOTOR CIRCUIT INSPECTION
1. Disconnect back door latch and back door control unit.
2. Check continuity between back door latch (cinch latch motor)
connector D503 terminals 1, 2 and back door control unit con-
nector B55 terminals 11, 12.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.3 - 26 : Continuity should exist.
WIIA0604E
4 - Ground : Continuity should exist.
WIIA0605E
11 - Ground : Battery voltage.
12 - Ground : Battery voltage.
LIIA2397E
1 - 12 : Continuity should exist.
2 - 11 : Continuity should exist.
LIIA0837E
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AUTOMATIC BACK DOOR SYSTEM
BL-127
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3. CINCH LATCH MOTOR OPERATION INSPECTION
Connect battery power to terminals 1 and 2 on the back door latch
and check motor operation.
OK or NG
OK >> Cinch latch motor is OK.
NG >> Replace the back door latch.1 (+) - 2 (-) : It operates.
1 (-) - 2 (+) : It operates. (Reverse rotation)
LIIA1937E
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BL-128
DOOR
Revision: October 20052005 QX56
DOORPFP:80100
Fitting AdjustmentEIS008RN
FRONT DOOR
Longitudinal clearance and surface height adjustment at front end
1. Remove the fender. Refer to EI-20, "FRONT FENDER" .
2. Loosen the hinge bolts. Raise the front door at rear end to adjust.
3. Install the fender. Refer to EI-20, "
FRONT FENDER" .
REAR DOOR
Longitudinal clearance and surface height adjustment at front end
1. Loosen the bolts. Open the rear door, and raise the rear door at rear end to adjust.
STRIKER ADJUSTMENT
1. Adjust the striker so that it becomes parallel with the lock inser-
tion direction.
A. 4.5 ± 1.0 mm (0.177 ± 0.039 in)
WIIA0901E
LIIA1502E
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DOOR
BL-129
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Revision: October 20052005 QX56
Removal and InstallationEIS008RO
FRONT DOOR
CAUTION:
When removing and installing the door assembly, support the door with a jack and shop cloth to
protect the door and body.
When removing and installing door assembly, be sure to carry out the fitting adjustment.
Check the hinge rotating part for poor lubrication. If necessary, apply "body grease".
1. Remove the door window and module assembly. Refer to GW-68, "
FRONT DOOR GLASS AND REGU-
LATOR" .
2. Remove the door harness.
3. Remove the check link cover.
4. Remove the check link bolt from the hinge pillar.
5. Remove the door-side hinge nuts and bolts, and remove the
door assembly.
Installation is in the reverse order of removal.
REAR DOOR
CAUTION:
When removing and installing the door assembly, support the door with a jack and shop cloth to
protect the door and body.
When removing and installing door assembly, be sure to carry out the fitting adjustment.
Check the hinge rotating part for poor lubrication. If necessary, apply "body grease".
1. Remove the door window and module assembly. Refer to GW-71, "
REAR DOOR GLASS AND REGULA-
TOR" .
2. Remove the door harness.
3. Remove the check link cover.
4. Remove the check link bolt from the hinge pillar.
LIIA1503E
LIIA1504E
LIIA1503E