2004 INFINITI FX35 Service Manual

Page 977 of 4449

INFINITI FX35 2004  Service Manual BL-170
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2004 November 2004 FX35/FX45
Work FlowAIS004OH
1. Check the symptom and customers requests.
2. Understand the outline of system. Refer to BL-165, "
Syst

Page 978 of 4449

INFINITI FX35 2004  Service Manual BACK DOOR AUTO CLOSURE SYSTEM
BL-171
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 FX35/FX45
Back Door Closure Control Unit Power Supply and Ground Circuit CheckAIS004OK
1. CHECK POWER SUPPLY

Page 979 of 4449

INFINITI FX35 2004  Service Manual BL-172
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and back door closure motor connector.
2. Check con

Page 980 of 4449

INFINITI FX35 2004  Service Manual BACK DOOR AUTO CLOSURE SYSTEM
BL-173
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 FX35/FX45
Close Switch CheckAIS004OM
1. CHECK CLOSE SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check the

Page 981 of 4449

INFINITI FX35 2004  Service Manual BL-174
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2004 November 2004 FX35/FX45
4. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage

Page 982 of 4449

INFINITI FX35 2004  Service Manual BACK DOOR AUTO CLOSURE SYSTEM
BL-175
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 FX35/FX45
3. CHECK GROUND CIRCUIT
Check continuity between back door closure motor connector D109
terminal 8

Page 983 of 4449

INFINITI FX35 2004  Service Manual BL-176
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS 1
1. Disconnect Intelligent Key unit and back door closure control unit connector.
2. Check continuity betw

Page 984 of 4449

INFINITI FX35 2004  Service Manual BACK DOOR AUTO CLOSURE SYSTEM
BL-177
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: 2004 November 2004 FX35/FX45
6. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit co