Page 3033 of 4179
TROUBLE DIAGNOSIS
SRS-29
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SRS
Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn OnEHS000OC
DIAGNOSTIC PROCEDURE 6
1. CHECK “METER” FUSE
Check 10A fuse [No. 11, located in fuse block (J/B)].
Refer to PG-2, "
POWER SUPPLY ROUTING" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK “METER” FUSE AGAIN
Replace meter fuse and turn ignition switch ON.
Is meter fuse blown again?
YES >> Repair the related harness.
NO >>INSPECTION END
3. CHECK HARNESS CONNECTION BETWEEN DIAGNOSIS SENSOR UNIT AND COMBINATION
METER
Disconnect diagnosis sensor unit connector and turn ignition switch ON.
Does
“AIR BAG” warning lamp turn on?
YES >> Replace diagnosis sensor unit.
NO >> Replace combination meter assembly.
Page 3082 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual BL-28
POWER DOOR LOCK SYSTEM
Terminal and Reference Value for Time Control UnitEIS000KP
Te r -
minalWire
ColorItem ConditionVoltage [V]
(Approximate values)
1 L Power source (Fuse) — Battery volt NISSAN X-TRAIL 2003 Service Repair Manual BL-28
POWER DOOR LOCK SYSTEM
Terminal and Reference Value for Time Control UnitEIS000KP
Te r -
minalWire
ColorItem ConditionVoltage [V]
(Approximate values)
1 L Power source (Fuse) — Battery volt](/manual-img/5/57404/w960_57404-3081.png)
BL-28
POWER DOOR LOCK SYSTEM
Terminal and Reference Value for Time Control UnitEIS000KP
Te r -
minalWire
ColorItem ConditionVoltage [V]
(Approximate values)
1 L Power source (Fuse) — Battery voltage
4G/RPassenger and rear door lock
actuator unlockDoor lock/unlock switchFree 0
Unlock
10 W Power source (C/B) — Battery voltage
11 S BDriver door lock actuator
unlockDoor lock/unlock switchFree 0
Lock
14 R/B All door lock actuator lockDoor lock/unlock switch
Unlock operationFree 0
Lock
16 B/R Ground — 0
17 G Ignition switch (ON) — Battery voltage
18 W/L Key switchKey inserted (ON) → key removed from ignition
key cylinder (OFF)Battery voltage → 0
20 GYDoor lock/unlock switch lock
signalLock operation (ON) 0
Other than above (OFF) 5
23 PUDoor lock/unlock switch
unlock signalUnlock operation (ON) 0
Other than above (OFF) 5
24 LG/R Door key cylinder lock switch OFF (Neutral) → ON (Locked) 5 → 0
25 GY/LDoor key cylinder unlock
switchOFF (Neutral) → ON (Unlocked) 5 → 0
28 Y/GDoor unlock sensor
(driver side)Driver door: Locked → Unlocked 10 → 0
30 SBFront door switch
(driver side)Door open (ON) → close (OFF) 0 →5
SKIA9232E
SKIA9232E
SKIA9232E
Page 3083 of 4179

POWER DOOR LOCK SYSTEM
BL-29
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Symptom ChartEIS001R5
*:Make sure the power door lock system operates properly.
Power Supply and Ground Circuit CheckEIS004DF
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check voltage between time control unit connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following.
10A fuse [No.5, located in fuse block (J/B)]
40A fusible link (letter B , located in fuse and fusible link box.)
Harness for open or short between time control unit and fuse
Harness for open or short between time control unit circuit breaker
Symptom Malfunctioning systemReference
page
Power door lock does not operate using any switchPower supply and ground circuit checkBL-29
Front door lock actuator check (Driver side)BL-34
Front door lock actuator check (Passenger side)BL-35
Rear door lock actuator check LH BL-36
Rear door lock actuator check RHBL-37
Back door lock actuator checkBL-38
If above systems are OK, replace time control unit. —
Power door lock does not operate with lock/unlock
switch.Door lock/unlock switch checkBL-30
If above system is OK, replace time control unit. —
Power door lock does not operate with door key cylinder
switch.Door key cylinder switch checkBL-32
If above system is OK, replace time control unit. —
Specific door lock actuator does not operate.Front door lock actuator check (Driver side)BL-34
Front door lock actuator check (Passenger side)BL-35
Rear door lock actuator LHBL-36
Rear door lock actuator RHBL-37
Back door lock actuatorBL-38
If above system is OK, replace time control unit. —
*Key reminder system does not operate.Door switch checkBL-39
Door unlock sensor checkBL-40
Key switch checkBL-41
If above system is OK, replace time control unit. —
ConnectorTerminal (wire
color)Ignition switch position
(+) (–) OFF ACC ON
M301 (L)
GroundBattery
voltageBattery
voltageBattery
voltage
10 (W)Battery
voltageBattery
voltageBattery
voltage
PIIA8640E
Page 3095 of 4179

POWER DOOR LOCK SYSTEM
BL-41
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Key Switch CheckEIS004DP
1. CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit connector and ground.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH (INSERT)
1. Disconnect key switch connector.
2. Check continuity between key switch terminals 1 and 2.
OK or NG
OK >> GO TO 3.
NG >> Replace key switch.
3. CHECK KEY SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check continuity between time control unit harness connector
M31 terminal 18 (W/L) and key switch harness connector M9
terminal 2 (W/L).
4. Check continuity between time control unit harness connector
M31 terminal 18 (W/L) and ground.
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
NG >> Repair harness or connector.
ConnectorTe r m i n a l s
Condition of key
switchVoltage [V]
(Approx.)
(+) (–)
M31 18 (W/L) Groundinserted Battery voltage
removed 0
PIIA8670E
Connector Terminals Condition of key switch Continuity
M9 1 2inserted Yes
removed No
SIIA1219E
18 (W/L) – 2 (W/L) : Continuity should exist.
18 (W/L) – Ground : Continuity should not exist.
PIIB0364E
Page 3105 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual POWER DOOR LOCK — SUPER LOCK —
BL-51
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Terminal and Reference Value for Time Control UnitEIS001SR
Te r -
minalWire
ColorItem ConditionVoltage [V]
(Approx.)
1 L Power sou NISSAN X-TRAIL 2003 Service Repair Manual POWER DOOR LOCK — SUPER LOCK —
BL-51
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Terminal and Reference Value for Time Control UnitEIS001SR
Te r -
minalWire
ColorItem ConditionVoltage [V]
(Approx.)
1 L Power sou](/manual-img/5/57404/w960_57404-3104.png)
POWER DOOR LOCK — SUPER LOCK —
BL-51
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Terminal and Reference Value for Time Control UnitEIS001SR
Te r -
minalWire
ColorItem ConditionVoltage [V]
(Approx.)
1 L Power source (Fuse) — Battery voltage
3 L/Y Super lock actuator release Door key cylinder switchFree 0
Released
4G/RPassenger door and rear door
(LH/RH) lock actuator unlockDoor lock/unlock switchFree 0
Unlocked
6 Y/R Super lock actuator set Door key cylinder switchFree 0
Set
10 W Power source (C/B) — Battery voltage
11 S BFront door lock actuator
(driver side)Door lock/unlock switchFree 0
Locked
14 R/B All door lock actuator lock Door lock/unlock switchFree 0
Locked
16 B/R Ground — 0
17 G Ignition switch (ON) Ignition switch is in ON position Battery voltage
18 W/L Key switchKey inserted (ON) → key removed from
Ignition key cylinder (OFF)Battery voltage → 0
20 GY Power door lock switch lock signal OFF (Neutral) → ON (Locked) 5 → 0
23 PUPower door lock switch unlock
signalOFF (Neutral) → ON (Unlocked) 5 → 0
24 LG/R Door key cylinder lock switch OFF (Neutral) → ON (Locked) 5 → 0
SKIA9232E
SKIA9232E
SKIA9232E
SKIA9232E
SKIA9232E
Page 3109 of 4179

POWER DOOR LOCK — SUPER LOCK —
BL-55
C
D
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F
G
H
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MA
B
BL
*:Make sure the power door lock system operates properly.
Power Supply and Ground Circuit CheckEIS008EF
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check voltage between time control unit and ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following.
10A fuse [No.5, located in fuse block (J/B)]
40A fusible link (letter B , located in fuse and fusible link box.)
Harness for open or short between time control unit and fuse
Harness for open or short between time control unit circuit breaker
2. CHECK GROUND CIRCUIT
Check continuity between time control unit harness connector M30
terminal 16 (B/R) and ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Replace harness or connector.
SYMPTOM 8
Specific super lock actuator does not operate.Super lock actuator check (Driver side)BL-68
Super lock actuator check (Passenger side)BL-69
Super lock actuator check rear LHBL-70
Super lock actuator check rear RHBL-71
If above system is OK, replace time control unit. —
SYMPTOM 9
*Key reminder system does not operate.Door switch checkBL-65
Door unlock sensor checkBL-66
Key switch checkBL-67
If above system is OK, replace time control unit. — Symptom Malfunctioning systemReference
page
ConnectorTerminal (wire color) Ignition switch position
(+) (–) OFF ACC ON
M311 (L)
GroundBattery
voltageBattery
voltageBattery
voltage
10 (W)Battery
voltageBattery
voltageBattery
voltage
PIIA8640E
16 (B/R) – Ground : Continuity should exist.
PIIA8641E
Page 3121 of 4179

POWER DOOR LOCK — SUPER LOCK —
BL-67
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Key Switch CheckEIS008EP
1. CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit connector and ground.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH (INSERT)
1. Disconnect key switch connector.
2. Check continuity between key switch terminals 1 and 2.
OK or NG
OK >> GO TO 3.
NG >> Replace key switch.
3. CHECK KEY SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check continuity between time control unit harness connector
M31 terminal 18 (W/L) and key switch harness connector M9
terminal 2 (W/L).
4. Check continuity between time control unit harness connector
M31 terminal 18 (W/L) and ground.
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
NG >> Repair harness or connector.
ConnectorTerminals (Wire color)
Condition of key
switchVoltage [V]
(Approx.)
(+) (–)
M31 18 (W/L) Groundinserted Battery voltage
removed 0
PIIA8670E
Connector Terminals Condition of key switch Continuity
M9 1 2inserted Yes
removed No
SIIA1219E
18 (W/L) – 2 (W/L) : Continuity should exist.
18 (W/L) – Ground : Continuity should not exist.
PIIB0364E
Page 3127 of 4179
POWER DOOR LOCK — SUPER LOCK —
BL-73
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Ignition Switch “ON” Circuit CheckEIS008FH
1. CHECK IGNITION ON SIGNAL
1. Disconnect time control unit connector.
2. Check voltage between time control unit connector and ground.
OK or NG
OK >> Ignition ON signal is OK.
NG >> Check the following.
10A fuse [No. 5, located in fuse block (J/B)]
Harness for open or short between time control unit and fuse
Connec-
torTerminal
(wire color)Ignition switch position
(+) (–) OFF ACC ON
M31 17 (Y/G) Ground 0V 0VBattery volt-
age
PIIA8675E