2009 NISSAN LATIO Service Repair Manual

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Page 513 of 4331

NISSAN LATIO 2009 Service Repair Manual OK >> Replace BCM. Refer to
BCS-18, " Removal and Installa-
tion of BCM " .
NG >> Repair or replace harness.
Front Door Lock Assembly LH (Actuator) Check INFOID:0000000004305002OK >> GO TO 2
NG >>

Page 514 of 4331

NISSAN LATIO 2009 Service Repair Manual BL
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2. Check voltage between BCM connector M20 terminals 59, 65
and ground.
OK or NG OK >> Replace front door lock assembly LH (actuator). Refer to
BL-166, " Removal and Installation "

Page 515 of 4331

NISSAN LATIO 2009 Service Repair Manual OK >> Replace front door lock assembly RH or rear door lock actuator LH/RH. Refer to
BL-166," Removal and Installation " or
BL-169, " Removal and Installation " .
NG >> Replace BCM.

Page 516 of 4331

NISSAN LATIO 2009 Service Repair Manual BL
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1. Turn ignition switch OFF.
2. Disconnect front door key cylinder switch LH.
3. Check continuity between front door key cylinder switch LH con-
nector D14 terminal 2 and body ground.
OK or

Page 517 of 4331

NISSAN LATIO 2009 Service Repair Manual OK >> GO TO 4
NG >> GO TO 2 OK >> GO TO 3
NG >> Repair or replace harness between BCM and relay. OK >> Replace passenger select unlock relay.
NG >> Repair or replace harness between relay and actuator

Page 518 of 4331

NISSAN LATIO 2009 Service Repair Manual BL
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2. Check voltage between rear door lock actuator connector LH (A)
D205 or rear door lock actuator connector RH (B) D305 termi-
nals 2 and 3.
3. Check voltage between rear door lock

Page 519 of 4331

Page 520 of 4331

NISSAN LATIO 2009 Service Repair Manual BL
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• through 10A fuse [No. 14, located in the fuse block (J/B)]
• through key switch terminals 2 and 1
• to BCM terminal 37.
When the ignition switch is ACC or ON, power is supplied
• th

BL
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• through 10A fuse [No. 14, located in the fuse block (J/B)]
• through key switch terminals 2 and 1
• to BCM terminal 37.
When the ignition switch is ACC or ON, power is supplied
• through 10A fuse [No. 20, located in the fuse block (J/B)]
• to BCM terminal 11.
Ground is supplied
• to BCM terminal 67
• through body grounds M57 and M61.
When the front door switch LH is ON (door is OPEN), ground is supplied
• to BCM terminal 47
• through front door switch LH terminal 2
• through front door switch LH case ground.
When the front door switch RH is ON (door is OPEN), ground is supplied
• to BCM terminal 12
• through front door switch RH terminal 2
• through front door switch RH case ground.
When the rear door switch LH is ON (door is OPEN), ground is supplied
• to BCM terminal 48
• through rear door switch LH terminal 1
• through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied
• to BCM meter terminal 13
• through rear door switch RH terminal 1
• through rear door switch RH case ground.
When the back door lock assembly (back door switch) (hat chback) is ON (back door is OPEN), ground is sup-
plied
• to BCM terminal 43
• through back door lock assembly (back door switch) terminals 3 and 4
• through body grounds B117, B132 and D402.
Keyfob signal is inputted to BCM from remote keyless entry receiver.
The remote keyless entry system controls operation of the
• power door lock
• hazard reminder
• auto door lock
• panic alarm
• room lamp
OPERATED PROCEDURE
Power Door Lock Operation BCM receives a LOCK signal from keyfob. BCM lock s all doors with input of LOCK signal from keyfob.
BCM receives a UNLOCK signal from keyfob. BCM unlocks all doors with input of UNLOCK signal from key-
fob.
Hazard and Horn Reminder When the doors are locked or unlocked by keyfob, power is supplied to sound horn and flash hazard warning
lamps as follows
• LOCK operation: 3 or 4 mode (lamps flash twice)
• UNLOCK operation: 2 or 4 mode (lamps flash once)
• Horn sounds once with LOCK function when this feature is set ON.
The hazard reminder has modes 1, 2, 3 or 4. The hor n reminder can be turned ON/OFF with any LOCK mode.
Operating function of hazard reminder
Hazard and horn reminders do not operate if any door switch is ON (any door is OPEN).
How to change hazard and horn reminder modes Mode 1 Mode 2 Mode 3 Mode 4
Keyfob operation Lock Unlock Lock Unlock Lock Unlock Lock Unlock
Hazard warning lamp
flash — — — Twice Once — Once Twice
Horn sound (ON/OFF) ON: once — O N: once — ON: once — ON: once —

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