2009 NISSAN LATIO light

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Terminal and Reference Value for BCM
INFOID:0000000004306594
Refer to BCS-11, " Terminal and Reference Value for BCM " .
CONSULT-III Function (BCM) INFOID:0000000004306595
Refer to LT-11, " CONSULT-III Function (BCM) " .
Combination Switch Inspection INFOID:0000000004306596Other switches in the system operate normall
y.>>Replace lighting switch or wiper switch.
Other switches in the system do not operate normally.>>GO TO 3.

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OK or NG OK >> Open circuit in combination switch, GO TO 5.
NG >> Replace BCM. Refer to BCS-18, " Removal and Installation of BCM " .
.
Suspect
system Terminal
Reference value
(+)
(− )
Combination
switch
connector Terminal
1
M28 1
Ground 1.2V
2 2
3 3
4 4
5 5 1.2V PKIB8643J
Procedure
1 2 3 4 5 6 7
Re-
place
lighting switch Confirm
check
results OK INSPECTION END
Confirm
check
results OK INSPECTION END
Confirm
check
results OK INSPECTION END
NG Replace wiper switch NG Replace switch base NG Confirm symptom again

PARKING, LICENSE PL
ATE AND TAIL LAMPS
LT-73
< SERVICE INFORMATION >
C
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F
G H
I
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M A
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PARKING, LICENSE PLATE AND TAIL LAMPS
Component Parts and Har ness Connector Location INFOID:0000000004306607
System Description INFOID:0000000004306608
The control of the parking, license plate and tail lamp operation is dependent upon the position of lighting
switch. When the lighting switch is placed in the 1ST position, the BCM (body control module) receives input
signal requesting the parking, license plate and tail lamps to illuminate. This input signal is communicated to
the IPDM E/R (intelligent power distribution module engine room) via the CAN communication lines. The CPU
(central processing unit) located in the IPDM E/R contro ls the tail lamp relay coil. This relay, when energized,
directs power to parking, license plate and tail lamps, which then illuminate.
Power is supplied at all times
• to ignition relay located in IPDM E/R,
• to tail lamp relay located in IPDM E/R,
• through 15A fuse (No. 52, located in IPDM E/R) and
• through 20A fuse (No. 53, located in IPDM E/R)
• to the CPU located in the IPDM E/R,
• through 40A fusible link (letter g , located in fuse and fusible link block)
• to BCM terminal 70,
• through 10A fuse [No. 8, located in fuse block (J/B)],
• to BCM terminal 57.
With the ignition switch in the ON or START position, power is supplied
• through 10A fuse [No. 6, located in fuse block (J/B)]
• to BCM terminal 38,
• to ignition relay located in IPDM E/R and
• through the ignition relay
• to the CPU of the IPDM E/R.
With the ignition switch in the ACC or ON position, power is supplied
• through 10A fuse [No. 20, located in fuse block (J/B)]
• to BCM terminal 11.
Ground is supplied
• to BCM terminal 67
• through grounds M20 and M61,
• to IPDM E/R terminals 59 and 39
• through grounds E15 and E24.
OPERATION BY LIGHTING SWITCH With the lighting switch in the 1ST or 2ND positi on, the BCM receives an input signal requesting parking,
license plate and tail lamps to illuminate. This input si gnal is communicated to the IPDM E/R via the CAN com-
munication lines. The CPU, located in the IPDM E/R, c ontrols the tail lamp relay coil. When energized, the tail
lamp relay directs power
• through 10A fuse (No. 37, located in IPDM E/R),
• through IPDM E/R terminal 26
• to front combination lamp LH terminal 6, and
• through IPDM E/R terminal 27 1. IPDM E/R E45, E46 and E48 2. BCM M18 and M20 (view with glove
box removed)3. Combination switch (lighting switch)
M28 WKIA5554E

System Description " .
EXTERIOR LAMP BATTERY SAVER CONTROL
When the combination switch (lighting switch) is in t he 1ST (or 2ND) position and the ignition switch is turned
from ON or ACC to OFF, the battery saver control feature is activated.
Under this condition, the parking, license and tail la mps remain illuminated for 5 minutes, then the parking,
license plate and tail lamps are turned off.
Exterior lamp battery saver control mode can be changed by the function setting of CONSULT-III.
CAN Communication System Description INFOID:0000000004306609
Refer to LAN-8, " System Description " .

System Description " .
3. Perform the preliminary check. Refer to LT-80, " Preliminary Check " .
4. Check symptom and repair or repl ace the cause of the malfunction.
5. Do the parking, license plate and tail lamps operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. Inspection End.
Preliminary Check INFOID:0000000004306615
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR BCM
Refer to BCS-15, " BCM Power Supply and Ground Circuit Inspection " .
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR IPDM E/R
Refer to PG-26, " IPDM E/R Power/Ground Circuit Inspection " .
CONSULT-III Function (BCM) INFOID:0000000004306616
Refer to LT-11, " CONSULT-III Function (BCM) " .
CONSULT-III Function (IPDM E/R) INFOID:0000000004306617
Refer to LT-12, " CONSULT-III Function (IPDM E/R) " .
Parking, License Plate and Tail Lamps Do Not Illuminate INFOID:0000000004306618OK >> GO TO 2.
NG >> Repair harness. Combination Switch Inspection " .
OK or NG OK >> GO TO 3.
NG >> Check combination switch (lighting switch). Refer to LT-63, " Combination Switch Inspection " .
Parking, license plate and tail lamps should oper-
ate.

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1. Start auto active test. Refer to
PG-19, " Auto Active Test " .
2. Make sure parking, license plate and tail lamps operate.
OK or NG OK >> GO TO 4.
NG >> GO TO 5. OK >> Replace IPDM E/R. Refer to
PG-27, " Removal and Installation of IPDM E/R " .
NG >> Replace BCM. Refer to BCS-18, " Removal and Installation of BCM " .
Auto Active Test " .
4. When tail lamp relay is operating, check voltage bet ween front combination lamp, license plate lamp and
rear combination lamp harness connector and ground. Parking, license plate and tail lamps should oper-
ate.
When lighting switch is 1ST
position : TAIL&CLR REQ ON
Terminal Voltage
(+)
(− )
Front combination lamp
connector Terminal
RH E54 6 Ground Battery voltage
LH E53

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1. Check continuity between front
combination lamp harness con-
nector and ground.
2. Check continuity between license plate lamp harness connector and ground.
3. Check continuity between rear combination lamp harness con- nector and ground.
OK or NG OK >> Check bulbs.
NG >> Repair harness or connector.
Parking, License Plate and Tail Lamps Do Not Turn OFF (After Approx. 10 Minutes)
INFOID:0000000004306619
• This symptom is related to the ignition relay in IPDM E/R. Refer to PG-17, " Function of Detecting Ignition
Relay Malfunction " .
• Select “BCM” on CONSULT-III. Select “HEADLAM P” on “SELECT TEST ITEM” screen and select “DATA
MONITOR” on “SELECT DIAG MODE” sc reen. If “LIGHT SW 1ST” is OFF when lighting switch is OFF,
replace IPDM E/R.
Bulb Replacement INFOID:0000000004306620
PARKING LAMP Refer to LT-86, " Bulb Replacement " .
LICENSE PLATE LAMP
Hatchback 1. Remove the license plate lamp. Refer to LT-84, " Removal and Installation " .
2. Turn bulb socket counterclockwise and unlock it.
3. Remove bulb from the socket.
4. Installation is in the reverse order of removal.
Sedan 1. Remove the trunk lid finisher. Refer to EI-31, " Removal and Installation " .
Front combination lamp connector Terminal
GroundContinuity
RH E54 7 Yes
LH E53

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ILLUMINATION
System Description INFOID:0000000004306640
The control of the illumination lamps operation is dependent upon the position of the lighting switch. When the
lighting switch is placed in the 1ST or 2ND position, the BCM (body control module) receives input signal
requesting the illumination lamps to illuminate. This input signal is communicated to IPDM E/R (intelligent
power distribution module engine room) across CAN communication lines. CPU (central processing unit)
located in the IPDM E/R controls the tail lamp relay coil . This relay, when energized, directs power to the illu-
mination lamps, which then illuminate.
Power is supplied at all times
• to ignition relay, located in IPDM E/R,
• to tail lamp relay, located in IPDM E/R,
• through 15A fuse (No. 52, located in IPDM E/R) and
• through 20A fuse (No. 53, located in IPDM E/R)
• to CPU located in IPDM E/R,
• through 40A fusible link (letter g, located in fuse and fusible link box)
• to BCM terminal 70, and
• through 10A fuse [No. 8, located in fuse block (J/B)]
• to BCM terminal 57.
With the ignition switch in the ON or START position, power is supplied
• to ignition relay, located in IPDM E/R, and
• through 10A fuse [No. 6, located in fuse block (J/B)]
• to BCM terminal 38.
With the ignition switch in the ACC or ON position, power is supplied
• through 10A fuse [No. 20, located in fuse block (J/B)]
• to BCM terminal 11.
Ground is supplied
• to BCM terminal 67
• through grounds M57 and M61, and
• to IPDM E/R terminals 39 and 59
• through grounds E15 and E24.
ILLUMINATION OPERATION BY LIGHTING SWITCH With the lighting switch in the 1ST or 2ND positi on, BCM receives input signal requesting the illumination
lamps to illuminate. This input signal is communicat ed to IPDM E/R across CAN communication lines. CPU
located in the IPDM E/R controls the tail lamp relay coil, which, when energized, directs power
• through 10A fuse (No. 37, located in IPDM E/R)
• through IPDM E/R terminal 29
• to microphone terminal 3 (with Bluetooth)
• to illumination control switch terminal 1
• to glove box lamp terminal 1 (with glovebox lamp)
• to audio unit terminal 9
• to front air control terminal 5
• to A/T device terminal 3 (with 4-speed A/T)
• to CVT device terminal 3 (with CVT)
• to hazard switch terminal 3
• to combination meter terminal 12
• to door mirror remote control switch terminal 16
• to combination switch (spiral cable) terminal 26 (with steering wheel audio control switches)
• to steering wheel audio control switches through combinat ion switch (spiral cable) terminal 18 (with steering
wheel audio control switches).
Ground is supplied
• to microphone terminal 2 (with Bluetooth)
• to glove box lamp terminal 2 (with glove box lamp), and
• to illumination control switch terminal 3
• through grounds M57 and M61.
The illumination control switch controls illuminat ion intensity by varying the ground to the following
• through illumination control switch terminal 2
• to audio unit terminal 8
• to front air control terminal 6