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POWER DOOR LOCK SYSTEM
BL-31
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Trouble Diagnosis Chart by SymptomBIS000W4
Always check the “Work Flow” before troubleshooting. Refer to BL-29, "Work Flow" .
Symptom Diagnoses service procedureReference
page
All door lock actuator does not operate1. Check BCM power supply and ground cir-
cuit BL-32
2. Check door lock and unlock switchBL-37
3. Check door unlock sensorBL-42
4. Check door lock actuator output signalBL-39
5. Replace BCMBCS-16
Key reminder door system does not operate properly.1. Check key switchBL-352. Check door switchBL-33
3. Replace BCMBCS-16
Power door lock does not operate with door lock and unlock switch.1. Check door lock and unlock switchBL-372. Replace BCMBCS-16
Power door lock does not operate with driver side door lock knob or
door key cylinder operation.
(Power door lock operate properly with door lock and unlock switch.)1. Check door unlock sensorBL-42
2. Replace BCMBCS-16
Specific door lock actuator does not operate. Check door lock actuator circuitBL-40
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![NISSAN TEANA 2003 Service Manual BL-32
POWER DOOR LOCK SYSTEM
BCM Power Supply and Ground CircuitBIS000W5
1. CHECK FUSE
Check 15A fuse [No.17, located in fuse block (J/B)]
Check 15A fuse [No.18, located in fuse block (J/B)] (With NISSAN TEANA 2003 Service Manual BL-32
POWER DOOR LOCK SYSTEM
BCM Power Supply and Ground CircuitBIS000W5
1. CHECK FUSE
Check 15A fuse [No.17, located in fuse block (J/B)]
Check 15A fuse [No.18, located in fuse block (J/B)] (With](/manual-img/5/57392/w960_57392-689.png)
BL-32
POWER DOOR LOCK SYSTEM
BCM Power Supply and Ground CircuitBIS000W5
1. CHECK FUSE
Check 15A fuse [No.17, located in fuse block (J/B)]
Check 15A fuse [No.18, located in fuse block (J/B)] (With Intelligent Key)
Check 50A fusible link (letter M located in the fuse and fusible link box)
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-
3, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM connector M4 terminals 42, 55 and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace BCM power supply circuit.
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M4 terminal 52 and
ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace BCM ground circuit.42 (Y/R) – Ground : Battery voltage
55 (W/B) – Ground : Battery voltage
PIIA6374E
52 (B) – Ground : Continuity should exist.
PIIA9131E
Page 691 of 3502
POWER DOOR LOCK SYSTEM
BL-33
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Check Door SwitchBIS000W6
1. CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL” and “DOOR SW-RR”) in “DATA
MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
Monitor item Condition
DOOR SW-DR
CLOSE → OPEN: OFF → ON DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
PIIA6469E
Item ConnectorTe r m i n a l s
(Wire color)Door
conditionVoltage (V)
(Approx.)
(+) (-)
Driver side
M562 (SB)
GroundCLOSE
↓
OPENBattery voltage
↓
0 Rear LH 63 (R/W)
Passenger side
M312 (R/L)
Rear RH 13 (R/B)
PIIA7003E
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BL-34
POWER DOOR LOCK SYSTEM
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch connector B10, B14,
B209, B213 terminals 2 and BCM connector M3, M5 terminals
12, 13, 62, 63.
4. Check continuity between door switch connector B10, B14,
B209, B213 terminal 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCH
Check continuity between door switch terminal 2 and ground part of door switch.
OK or NG
OK >> GO TO 4.
NG >> Replace door switch.Driver side door
2 (SB) – 62 (SB) : Continuity should exist.
Passenger side door
2 (R/L) – 12 (R/L) : Continuity should exist.
Rear door LH
2 (R/W) – 63 (R/W) : Continuity should exist.
Rear door RH
2 (R/B) – 13 (R/B) : Continuity should exist.
2 (SB, R/L, R/W, or R/B) –
Ground: Continuity should not exist.
PIIB1222E
Terminal Door switch condition Continuity
2 Ground part of door switchPushed No
Released Yes
PIIB1223E
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POWER DOOR LOCK SYSTEM
BL-35
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4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector M3, M5 terminals 12,
13, 62, 63 and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace BCM.
Check Key SwitchBIS000W7
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check ignition key switch “KEY ON SW” in “DATA MONITOR” mode with CONSULT-II.
When key is inserted in ignition key cylinder
When key is removed from ignition key cylinder
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Key switch circuit is OK.
NG-1 >> GO TO 2. (with Intelligent Key)
NG-2 >> GO TO 3. (without Intelligent Key)12 (R/L) – Ground : Battery voltage
13 (R/B) – Ground : Battery voltage
62 (SB) – Ground : Battery voltage
63 (R/W) – Ground : Battery voltage
PIIA7003E
KEY ON SW : ON
KEY ON SW : OFF
PIIA6470E
ConnectorTerminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
M3 37 (B/R) Ground KeyInserted Battery voltage
Removed 0
PIIA6378E
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BL-36
POWER DOOR LOCK SYSTEM
2. CHECK KEY SWITCH (WITH INTELLIGENT KEY)
1. Turn ignition switch OFF.
2. Disconnect ignition knob switch, key switch and key lock solenoid connector.
3. Check continuity between ignition knob switch, key switch and key lock solenoid terminals 3 and 8.
OK or NG
OK >> Check the following.
15A fuse (No. 18, located in fuse and fusible link
block)
Harness for open or short between ignition knob
switch, key switch and key lock solenoid and fuse
Harness for open or short between BCM and ignition knob switch, key switch and key lock sole-
noid
NG >> Replace ignition knob switch, key switch and key lock solenoid.
3. CHECK KEY SWITCH (WITHOUT INTELLIGENT KEY)
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check continuity between key switch and key lock solenoid terminal 1 and 4.
OK or NG
OK >> Check the following.
15A fuse [No. 17, located in fuse block (J/B)]
Harness for open or short between key switch and
key lock solenoid and fuse
Harness for open or short between BCM and key
switch and key lock solenoid
NG >> Replace key switch and key lock solenoid.
Terminal Condition Continuity
38KeyInserted Yes
Removed No
PIIB0521E
Terminal condition Continuity
14KeyInserted Yes
Removed No
PIIB0522E
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POWER DOOR LOCK SYSTEM
BL-37
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Check Door Lock and Unlock SwitchBIS000W8
1. CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL
With CONSULT-II
Check door lock and unlock switch (“CDL LOCK SW” and “CDL
UNLOCK SW”) in DATA MONITOR mode with CONSULT-II.
When door lock and unlock switch is turned to LOCK
When door lock and unlock switch is turned to UNLOCK
Without CONSULT-II
Door lock and unlock switch operate, check voltage between BCM connector and ground
OK or NG
OK >> Door lock and unlock switch is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and door lock and unlock switch connector.
3. Check continuity between BCM connector M5 terminal 60, 61
and door lock and unlock switch connector D6, D7 terminal 6,
18.
4. Check continuity between BCM connector M5 terminal 60, 61
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between BCM and door lock
and unlock switch. CDL LOCK SW : ON
CDL UNLOCK SW : ON
PIIA6538E
ConnectorTerminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
M561 (GR/R)
GroundUNLOCK 0
FREE Battery voltage
60 (GR)LOCK 0
FREE Battery voltage
PIIB8745E
61 (GR/R) – 6 (GR/R) : Continuity should exist.
60 (GR) – 18 (GR) : Continuity should exist.
61 (GR/R) – Ground : Continuity should not exist.
60 (GR) – Ground : Continuity should not exist.
PIIB8746E
Page 696 of 3502
BL-38
POWER DOOR LOCK SYSTEM
3. CHECK DOOR LOCK AND UNLOCK SWITCH GROUND
Check continuity between door lock and unlock switch connector D7
terminal 17 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DOOR LOCK AND UNLOCK SWITCH
Door lock and unlock switch operate, check continuity between door lock and unlock switch terminal 6, 18 and
17.
OK or NG
OK >> GO TO 5.
NG >> Replace door lock and unlock switch.
5. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector M5 and terminals 61, 60
and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace BCM.17 (B) – Ground : Continuity should exist.
PIIB0525E
Terminal Condition Continuity
6
17UNLOCK Yes
FREE No
18LOCK Yes
FREE No
PIIB0526E
61 (GR/R) – Ground : Battery voltage
60 (GR) – Ground : Battery voltage
PIIB8745E