NISSAN X-TRAIL 2001 Service Repair Manual

POWER DOOR LOCK SYSTEM
BL-19
C
D
E
F
G
H
J
K
L
MA
B
BL
2.CHECK GROUND CIRCUIT
Check continuity between time control unit harness connector M30
terminal 16 (B) and ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Replace harness or connector.
Door Lock/Unlock Switch CheckEIS004DG
1.CHECK DOOR LOCK/UNLOCK SWITCH SIGNAL
1. Disconnect time control unit connector.
2. Check continuity between time control unit harness connector
M31 terminal 20 (GY), 23 (PU) and ground.
OK or NG
OK >> Door lock/unlock switch is OK.
NG >> GO TO 2
2.CHECK DOOR LOCK/UNLOCK SWITCH
1. Disconnect power window main switch connector.
2. Check continuity between power window main switch terminals
20, 21 and 19.
OK or NG
OK >> Check the following.
●Ground circuit for power window main switch
●Harness for open or short between power window main switch and time control unit
NG >> Replace power window main switch.Continuity should exist.
PIIA3646E
Te r m i n a l sCondition of door
lock/unlock switchContinuity
20 – GroundLock Yes
Neutral or Unlock No
23 – GroundUnlock Yes
Neutral or Lock No
PIIA3641E
Te r m i n a l sCondition of door
lock/unlock switchContinuity
20 – 19Locked Yes
Neutral or Unlocked No
21 – 19Unlocked Yes
Neutral or Locked No
PIIA3642E

BL-20
POWER DOOR LOCK SYSTEM
Door Key Cylinder Switch Check
EIS004DH
1. CHECK DOOR KEY CYLINDER SWITCH SIGNAL (LOCK SIGNAL)
Check voltage between time control unit harness connector M31 ter-
minals 24 (LG/R) or 25 (OR/L) and ground.
OK or NG
OK >> Door key cylinder switch is OK.
NG >> GO TO 2
2. CHECK DOOR KEY CYLINDER SWITCH
1. Disconnect door key cylinder switch connector.
2. Check continuity between door key cylinder switch.
OK or NG
OK >> Check the following.
●Door key cylinder switch ground circuit
●Harness for open or short between time control unit and door key cylinder switch
NG >> Replace door key cylinder switch.Te r m i n a l s
Condition of door
key cylinder switchVoltage [V]
+–
24 Ground Locked 0
Neutral or Unlocked Approx. 5
25 Ground Unlocked 0
Neutral or Locked Approx. 5
PIIA3643E
Te r m i n a l sCondition of door key
cylinder switchContinuity
1 – 2Neutral No
Lock Yes
2– 3Neutral No
Unlock Yes
PIIA3644E

POWER DOOR LOCK SYSTEM
BL-21
C
D
E
F
G
H
J
K
L
MA
B
BL
Front Door Lock Actuator (Driver Side) CheckEIS004DI
1.CHECK DOOR LOCK SIGNAL
1. Disconnect door lock actuator (driver side) connector.
2. Check voltage between door lock actuator harness connector
D9 terminal 3(R/B), 6(L) and ground.
OK or NG
OK >> GO TO 2
NG >> GO TO 3
2.CHECK DOOR LOCK ACTUATOR
1. Disconnect door lock actuator (driver side) connector.
2. Apply 12V direct current to door lock actuator and check opera-
tion.
OK or NG
OK >> Check harness connection.
NG >> Replace door lock actuator (driver side).
3.CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect time control unit connector.
2. Check continuity between door lock actuator (driver side) har-
ness connector D9 terminal 3(R/B), 6(L) and time control unit
harness connector M30 terminal 11(L), 14(R/B).
OK or NG
OK >> Replace time control unit.
NG >> Check harness for open or short between time control unit and door lock actuator. Te r m i n a l s
Condition of door
lock/unlock switchVoltage [V]
+–
3 (R/B) Ground Locked
Approx. 12
6 (L) Ground Unlocked
PIIA4284E
Te r m i n a l
Door lock actuator operation
+–
36 Unlock → Lock
63 Lock → Unlock
PIIA4285E
Te r m i n a l s
Continuity
Door lock
actuatorTime control unit
3 (R/B) 14 (R/B) Yes
6 (L) 11 (L) Yes
PIIA4286E

BL-22
POWER DOOR LOCK SYSTEM
Front Door Lock Actuator (Passenger Side) Check
EIS004DJ
1. CHECK DOOR LOCK SIGNAL
1. Disconnect door lock actuator (passenger side) connector.
2. Check voltage between door lock actuator harness connector
D17 terminal 1(G/R), 4(R/B) and ground.
OK or NG
OK >> GO TO 2
NG >> GO TO 3
2. CHECK DOOR LOCK ACTUATOR
1. Disconnect door lock actuator (passenger side) connector.
2. Apply 12V direct current to door lock actuator and check opera-
tion.
OK or NG
OK >> Check harness connection.
NG >> Replace door lock actuator (passenger side).
3. CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect time control unit connector.
2. Check continuity between door lock actuator (passenger side)
harness connector D17 terminal 1(G/R), 4(R/B) and time control
unit harness connector M30 terminal 4 (G/R), 14(R/B).
OK or NG
OK >> Replace time control unit.
NG >> Check harness for open or short between time control unit and door lock actuator. Terminals Condition of
door lock/
unlock switchVo l t a g e [ V ]
+–
4 (R/B) Ground Locked
Approx. 12
1 (G/R) Ground Unlocked
PIIA4287E
Te r m i n a l
Door lock actuator operation
+–
41 Unlock → Lock
14 Lock → Unlock
SIIA1525E
Te r m i n a l
Continuity
Door lock actuator Time control unit
4 (R/B) 14 (R/B) Yes
1 (G/R) 4 (G/R) Yes
PIIA4288E

POWER DOOR LOCK SYSTEM
BL-23
C
D
E
F
G
H
J
K
L
MA
B
BL
Rear Door Lock Actuator LH CheckEIS004DK
1.CHECK DOOR LOCK SIGNAL
1. Disconnect rear door lock actuator LH connector.
2. Check voltage between door lock actuator harness connector
D36 terminal 1(G/R), 4(R/B) and ground.
OK or NG
OK >> GO TO 2
NG >> GO TO 3
2.CHECK DOOR LOCK ACTUATOR
1. Disconnect rear door lock actuator LH connector.
2. Apply 12V direct current to rear door lock actuator LH and check
operation.
OK or NG
OK >> Check harness connection.
NG >> Replace rear door lock actuator LH.
3.CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect time control unit connector.
2. Check continuity between rear door lock actuator LH harness
connector D36 terminal 1(G/R), 4(R/B) and time control unit har-
ness connector M30 terminal 4 (G/R), 14(R/B).
OK or NG
OK >> Replace time control unit.
NG >> Check harness for open or short between time control unit and rear door lock actuator LH. Te r m i n a l s
Condition of door
lock/unlock switchVoltage [V]
+–
4 (R/B) Ground Locked
Approx. 12
1 (G/R) Ground Unlocked
PIIA4289E
Te r m i n a l
Door lock actuator operation
+–
41 Unlock → Lock
14 Lock → Unlock
SIIA1528E
Te r m i n a l s
Continuity
Door lock
actuatorTime control unit
4 (R/B) 14 (R/B) Yes
1 (G/R) 4 (G/R) Yes
PIIA4290E

BL-24
POWER DOOR LOCK SYSTEM
Rear Door Lock Actuator RH Check
EIS004DL
1. CHECK DOOR LOCK SIGNAL
●Disconnect rear door lock actuator RH connector.
●Check voltage between door lock actuator harness connector D26 terminal 3(R/B), 6(G/R) and ground.
OK or NG
OK >> GO TO 2
NG >> GO TO 3
2. CHECK DOOR LOCK ACTUATOR
1. Disconnect rear door lock actuator RH connector.
2. Apply 12V direct current to rear door lock actuator RH and
check operation.
OK or NG
OK >> Check harness connection.
NG >> Replace rear door lock actuator RH.
3. CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect time control unit connector.
2. Check continuity between rear door lock actuator RH harness
connector D26 terminal 3 (R/B), 6 (G/R) and time control unit
harness connector M30 terminal 4 (G/R), 14 (R/B)
OK or NG
OK >> Replace time control unit.
NG >> Check harness for open or short between time control unit and rear door lock actuator RH. Terminals Condition of door
lock/unlock
switchVoltage [V]
+–
3 (R/B) Ground Locked
Approx. 12
6 (G/R) Ground Unlocked
PIIA4291E
Te r m i n a l
Door lock actuator operation
+–
36 Unlock → Lock
63 Lock → Unlock
SIIA1531E
Te r m i n a l s
Continuity
Door lock actuator Time control unit
3 (R/B) 14 (R/B) Yes
6 (G/R) 4 (G/R) Yes
PIIA4292E

POWER DOOR LOCK SYSTEM
BL-25
C
D
E
F
G
H
J
K
L
MA
B
BL
Back Door Lock Actuator CheckEIS004DM
1.CHECK DOOR LOCK SIGNAL
●Disconnect back door lock actuator connector.
●Check voltage between door lock actuator harness connector
D46 terminal 2(R/B), 4(G/R) and ground.
OK or NG
OK >> GO TO 2
NG >> GO TO 3
2.CHECK DOOR LOCK ACTUATOR
1. Disconnect back door lock actuator connector.
2. Apply 12V direct current to back door lock actuator and check
operation.
OK or NG
OK >> Check harness connection.
NG >> Replace back door lock actuator.
3.CHECK DOOR LOCK ACTUATOR CIRCUIT
1. Disconnect time control unit connector.
2. Check continuity between back door lock actuator harness con-
nector D46 terminal 2(R/B), 4(G/R) and time control unit har-
ness connector M30 terminal 4 (G/R), 14(R/B).
OK or NG
OK >> Replace time control unit.
NG >> Check harness for open or short between time control unit and back door lock actuator. Te r m i n a l s
Condition of door
lock/unlock switchVoltage [V]
+–
2 (R/B) Ground Locked
Approx. 12
4 (G/R) Ground Unlocked
SIIA1533E
Te r m i n a l
Door lock actuator operation
+–
24 Unlock → Lock
42 Lock → Unlock
SIIA1534E
Te r m i n a l
Continuity
Door lock actuator Time control unit
2 (R/B) 14 (R/B) Yes
4 (G/R) 4 (G/R) Yes
SIIA1535E

BL-26
POWER DOOR LOCK SYSTEM
Door Switch Check
EIS004DN
1. CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between time control unit harness connector M31
terminal 30(R) and ground.
OK or NG
OK >> Door switch is OK.
NG >> GO TO 2
2. CHECK DOOR SWITCH
1. Disconnect door switch (driver side) connector.
2. Check continuity between door switch (driver side) terminals.
OK or NG
OK >> Check the following.
●Door switch (driver side) ground circuit or door switch
ground condition
●Harness for open or short between time control unit
and door switch (driver side)
NG >> Replace driver's door switch (driver side).
Door Unlock Sensor CheckEIS004DO
1. CHECK FRONT DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between time control unit harness connector terminal
28 and ground.
OK or NG
OK >> Door unlock sensor is OK.
NG >> GO TO 2Te r m i n a lCondition of
driver's doorVoltage [V]
30 – GroundClosed Approx. 5
Open 0
SIIA1214E
Te r m i n a lCondition of door
switch (driver side)Continuity
2 – 3Pushed No
Released Yes
SIIA1215E
Te r m i n a l s
Driver's door lock/
unlock switchVoltage [V]
+–
28 GroundLocked Approx. 5
Unlocked 0
SIIA1216E

POWER DOOR LOCK SYSTEM
BL-27
C
D
E
F
G
H
J
K
L
MA
B
BL
2.CHECK FRONT DOOR UNLOCK SENSOR
1. Disconnect driver's door unlock sensor connector.
2. Check continuity between door unlock sensor terminals.
OK or NG
OK >> Check the following.
●Door unlock sensor ground circuit
●Harness for open or short between time control unit
and door unlock sensor
NG >> Replace door unlock sensor.
Key Switch CheckEIS004DP
1.CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit terminal 18 and ground.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.Terminal Driver door lock actuator Continuity
2 – 5Locked No
Unlocked Yes
SIIA1217E
Te r m i n a l s
Condition of key
switchVo l ta g e [ V ]
+–
18 Groundinserted Approx. 12
removed 0
SIIA1218E

BL-28
POWER DOOR LOCK SYSTEM
2. CHECK KEY SWITCH (INSERT)
1. Disconnect key switch connector.
2. Check continuity between key switch terminals 1 and 2.
OK or NG
OK >> Check the following.
●10A fuse [No. 28, located in fuse block (J/B)]
●Harness for open or short between key switch and fuse
●Harness for open or short between time control unit and key switch
NG >> Replace key switch.Te r m i n a l sCondition of key
switchContinuity
12 inserted Yes
removed No
SIIA1219E