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POWER DOOR LOCK SYSTEM
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Check Power Supply and Ground Circuit of BCMNIS0000P
CHECK FUSE
1. FUSE INSPECTION
1. Turn ignition switch OFF.
2. Check the following.
40A fusible link (letter F , located in the fuse and fusible link box)
10A fuse [No.18, located in the fuse block (J/B)]
NOTE:
Refer to BL-21, "
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-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check voltage between BCM harness connector M91 terminal 42, 55 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector M91 terminal 52 and ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Check BCM ground circuit for open or short.42 (GY) - Ground : Battery voltage
55 (R) – Ground : Battery voltage
PIIA6374E
52 (B) – Ground Continuity should exist.
PIIA9326E
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POWER DOOR LOCK SYSTEM
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2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch harness connector B17, B23, terminals 1 and BCM harness con-
nector B83 terminals 62 (driver side) or M90 terminal 12 (passenger side).
4. Check continuity between door switch harness connector B17,
B23, terminals 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCH
Check continuity between door switch harness connector B17 (driver side) or B23 (passenger side) terminal 1
and ground.
OK or NG
OK >> Further inspection is necessary. Refer to symptom
chart.
NG >> Replace malfunction door switch.Driver side door
1 (L) – 62 (L) : Continuity should exist.
Passenger door
1 (P) – 12 (P) : Continuity should exist.
1 (L or P) – Ground : Continuity should not exist.
PIIA9540E
Terminal (Wire color) Door switch Continuity
1 (L or P) GroundPushed No
Released Yes
PIIA3351E
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POWER DOOR LOCK SYSTEM
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4. CHECK DOOR LOCK AND UNLOCK SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch (door lock and unlock switch) and power window sub-switch (door
lock and unlock switch) connector.
3. Check continuity between power window main switch (door lock and unlock switch) harness connector D7
terminal 15 and ground.
4. Check continuity between power window sub-switch (door lock and unlock switch) harness connector D37
terminal 11 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.15 (B) – Ground : Continuity should exist.
PIIA2358E
11 (B) – Ground : Continuity should exist.
PIIA2359E
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POWER DOOR LOCK SYSTEM
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Check Driver Side Door Lock Actuator NIS0000T
1. CHECK DOOR LOCK ACTUATOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace BCM.
2. CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M91 terminals 44, 50 and driver side door lock actua-
tor harness connector D11 terminals 1, 3.
3. Check continuity between BCM harness connector M91 termi-
nals 44, 50 and ground.
OK or NG
OK >> Replace driver side door lock actuator.
NG >> Repair or replace harness between BCM and driver side
door lock actuator.
ConnectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M9144 (Y)
GroundDriver door lock/unlock
switch is turned to
UNLOCK.0 →Battery
voltage→ 0
50 (PU)Driver door lock/unlock
switch is turned to
LOCK.0 →Battery
voltage→ 0
PIIA6383E
44 (Y) – 3 (Y) : Continuity should exist.
50 (PU) – 1 (PU) : Continuity should exist.
44 (Y) – Ground : Continuity should not exist.
50 (PU) – Ground : Continuity should not exist.
PIIB1261E
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BL-46
POWER DOOR LOCK SYSTEM
Revision: 2006 November2007 350Z
Check Passenger Side Door Lock Actuator NIS0000U
1. CHECK DOOR LOCK ACTUATOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between passenger side door lock actuator connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace BCM.
2. CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M91 terminals 50, 51 and passenger side door lock
actuator harness connector D40 terminals 1, 3.
3. Check continuity between BCM harness connector M91 termi-
nals 50, 51 and ground.
OK or NG
OK >> Replace passenger side door lock actuator.
NG >> Repair or replace harness between BCM and passenger side door lock actuator.
ConnectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M9150 (PU)
GroundDoor lock/unlock switch
is turned to LOCK.0 →Battery
voltage→ 0
51 (W/R)Door lock/unlock switch
is turned to UNLOCK.0 →Battery
voltage→ 0
PIIA6385E
50 (PU) – 1 (PU) : Continuity should exist.
51 (W/R) – 3 (GY) : Continuity should exist.
50 (PU) – Ground : Continuity should not exist.
51 (W/R) – Ground : Continuity should not exist.
PIIB3790E
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Check Door Key Cylinder Switch NIS0000V
1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
With CONSULT-III
Check door key cylinder switch (“KEY CYL LK SW”) in “DATA MONITOR” mode with CONSULT-III.
Check door key cylinder switch (“KEY CYL UN-SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
Check voltage between power window main switch (door lock and unlock switch) connector and ground.
OK or NG
OK >> Further inspection is necessary. Refer to symptom
chart.
NG >> GO TO 2.
2. CHECK DOOR KEY CYLINDER SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch (door lock and unlock switch) and door key cylinder switch con-
nector.
3. Check continuity between power window main switch (door lock and unlock switch) harness connector D7
terminals 6, 7 and door key cylinder switch harness connector D12 terminals 1, 3.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between power window main
switch and door key cylinder switch. “KEY CYL LK-SW” should be “ON” when key inserted
in door key cylinder is turned to lock.
“KEY CYL UN-SW” should be “ON” when key inserted
in door key cylinder is turned to unlock.
ConnectorTe r m i n a l s
Key position Voltage (V)
(Approx.)
(+) (–)
D76 (B/R)
GroundNeutral/Unlock 5
Lock 0
7 (SB)Neutral/Lock 5
Unlock 0
PIIA3352E
6 (B/R) – 3 (B/R) : Continuity should exist.
7 (SB) – 1 (SB) : Continuity should exist.
PIIA3353E
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2. CHECK BACK DOOR OPENER SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and back door opener switch connector.
3. Check continuity between BCM harness connector M90 terminal 30 and back door opener switch harness
connector T103 terminal 1.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between BCM and back door
opener switch.
3. CHECK BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace back door opener switch.
4. CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect driver side door lock actuator connector.
2. Check continuity between back door opener switch harness connector T103 terminal 2 and driver side
door lock actuator harness connector D11 terminal 2.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between back door opener
switch and driver side door lock actuator. 30 (P) – 1 (P) : Continuity should exist.
PIIB3791E
Connector Terminals Condition Continuity
T103 1 2Back door opener switch: ON Yes
Back door opener switch: OFF No
PIIA2349E
2 (G) – 2 (OR) : Continuity should exist.
PIIA2348E
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BL-50
POWER DOOR LOCK SYSTEM
Revision: 2006 November2007 350Z
5. CHECK DOOR LOCK ACTUATOR GROUND CIRCUIT
Check continuity between driver side door lock actuator harness connector D11 terminal 4 and ground.
OK or NG
OK >> Replace driver side door lock actuator.
NG >> Repair or replace harness.
Check Back Door Opener Actuator NIS0000X
1. CHECK BACK DOOR OPENER ACTUATOR SIGNAL
Check voltage between BCM connector and ground.
Press the back door opener switch when driver side door is
unlocked.
OK or NG
OK >> GO TO 2.
NG >> Replace BCM.
2. CHECK BACK DOOR OPENER ACTUATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and back door opener actuator connector.
3. Check continuity between BCM harness connector B83 terminal 68 and back door opener actuator har-
ness connector T11 terminal 1.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between BCM and back door
opener actuator. 4 (B) – Ground : Continuity should exist.
PIIA2347E
ConnectorTerminals
(Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
B83 68 (L/R) GroundBack door
opener switch
ONBattery
voltage
Back door
opener switch
OFF0
PIIB1270E
68 (L/R) – 1 (L/R) : Continuity should exist.
PIIB1263E