display NISSAN TEANA 2003 Service Manual

TROUBLE DIAGNOSIS
LAN-79
[CAN]
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of display unit.
2. Check the resistance between the display unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the display unit branch line.
3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply, ignition signal and the ground circuit of the display unit. Refer to AV- 4 2 , "
Schematic" .
OK or NG
OK >>
Present error: Replace the display unit. Refer to AV- 6 0 , "Removal and Installation of Display
Unit" .

Past error: Error was detected in the display unit branch line.
NG >> Repair the power supply and the ground circuit.
TCM Branch Line Circuit (Models with A/T)BKS002EG
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
–TCM
–Harness connector M55
–Harness connector F102
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of TCM.
2. Check the resistance between the TCM harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the TCM branch line.
Display unit harness connector
Resistance (Ω)
Connector No. Terminal No.
M47 14 16 Approx. 54 – 66
TCM harness connector
Resistance (Ω)
Connector No. Terminal No.
F104 5 6 Approx. 54 – 66

LT-18
HEADLAMP - XENON TYPE -

2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
CONSULT-II Functions (BCM)BKS001N4
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-34, "CONSULT-II Start Procedure" .
Terminals Ignition switch position
(+)
(-) OFF ACC ON
BCM
connectorTerminal
M311
GroundApprox. 0 VBattery
voltageBattery
voltage
38 Approx. 0 V Approx. 0 VBattery
voltage
M442Battery
voltageBattery
voltageBattery
voltage
55Battery
voltageBattery
voltageBattery
voltage
PKIA5204E
BCM connector Terminal
GroundContinuity
M4 52 Yes
PKIA6256E
BCM diagnosis part Diagnosis mode Description
HEAD LAMPWORK SUPPORT Changes the setting for each function.
DATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
BCMSELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.

HEADLAMP - XENON TYPE -
LT-19
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WORK SUPPORT
Operation Procedure
1. Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.
3. Touch “BATTERY SAVER SET” or “CUSTOM A/LIGHT SETTING” on “SELECT WORK ITEM” screen.
4. Touch “START”.
5. Touch “MODE 1 - 4” of setting to be changed (CUSTOM A/LIGHT SETTING).
6. Touch “CHANGE SETT”.
7. The setting will be changed and “CUSTOMIZING COMPLETED” will be displayed.
8. Touch “END”.
Display Item List
*: Factory setting
DATA MONITOR
Operation Procedure
1. Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3. Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM” screen.
4. When “ALL SIGNALS” is selected, all the items will be monitored.When “SELECTION FROM MENU” is
selected, touch individual items to be monitored.
5. Touch “START”.
6. Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
Work item Description
BATTERY SAVER SETExterior lamp battery saver control mode can be changed in this mode. Select exterior lamp
battery saver control mode between ON* and OFF.
CUSTOM A/LIGHT SETTINGAuto light sensitivity can be changed in this mode. Sensitivity can be adjusted in four modes.

MODE 1* (Normal)/ MODE 2 (Sensitive)/MODE 3 (Desensitized)/MODE4 (Insensitive)
ALL SIGNALS Monitors all items.
SELECTION FROM MENU Selects items and monitor them.
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch signal.
ACC ON SW “ON/OFF” Displays “ACC (ON)/OFF, Ignition OFF (OFF)” status judged from ignition switch signal.
HI BEAM SW “ON/OFF”Displays status (high beam switch: ON/others: OFF) of high beam switch judged from lighting
switch signal.
HEAD LAMP SW 1 “ON/OFF”Displays status (headlamp switch 1: ON/others: OFF) of headlamp switch 1 judged from light-
ing switch signal.
HEAD LAMP SW 2 “ON/OFF”Displays status (headlamp switch 2: ON/others: OFF) of headlamp switch 2 judged from light-
ing switch signal.
LIGHT SW 1ST “ON/OFF”Displays status (lighting switch 1ST or 2ND position: ON/others: OFF) of lighting switch judged
from lighting switch signal.
AUTO LIGHT SW “ON/OFF”Displays status (AUTO position: ON/other than AUTO position: OFF) of the lighting switch as
judged from the lighting switch signal.
PASSING SW “ON/OFF”Displays status (flash-to-pass switch: ON/others: OFF) of flash-to-pass switch judged from
lighting switch signal.
FR FOG SW “ON/OFF”Displays status (front fog lamp switch: ON/others: OFF) of front fog lamp switch judged from
lighting switch signal.
RR FOG SW “ON/OFF”Displays status (rear fog lamp switch: ON/others: OFF) of rear fog lamp switch judged from
lighting switch signal.

LT-20
HEADLAMP - XENON TYPE -

NOTE:
This item is displayed, but cannot be monitored.
ACTIVE TEST
Operation Procedure
1. Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching “OFF” deactivates the operation.
Display Item List
NOTE:
This item is displayed, but cannot be monitored.
CONSULT-II Functions (IPDM E/R)BKS001N5
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II OPERATION
Refer to GI-34, "CONSULT-II Start Procedure" .
DOOR SW - DR “ON/OFF”Displays status of the driver door as judged from the driver door switch signal. (Door is open:
ON/door is closed: OFF)
DOOR SW - AS “ON/OFF”Displays status of the passenger door as judged from the passenger door switch signal. (Door
is open: ON/door is closed: OFF)
DOOR SW - RR “ON/OFF”Displays status of the rear door as judged from the rear door switch (RH) signal. (Door is open:
ON/door is closed: OFF)
DOOR SW - RL “ON/OFF”Displays status of the rear door as judged from the rear door switch (LH) signal. (Door is open:
ON/door is closed: OFF)
BACK DOOR SW
NOTE “OFF” —
TURN SIGNAL R “ON/OFF” Displays status (Turn right: ON/others: OFF) as judged from lighting switch signal.
TURN SIGNAL L “ON/OFF” Displays status (Turn left: ON/others: OFF) as judged from lighting switch signal.
OPTICAL SENSOR “0 - 5V ”Displays “outside brightness (close to 5V when light/close to 0V when dark)” judged from opti-
cal sensor signal.
VEHICLE SPEED “km/h” Displays vehicle speed as judged from vehicle speed signal.Monitor item Contents
CONSULT-II screen
displayTest item Description
TAIL LAMPParking, license plate and tail
lamps operationTail lamp relay is operated by switching operation ON-OFF.
HEAD LAMP High beam headlamp and low
beam headlamp operationHeadlamp high relay and headlamp low relay are operated by switching
operation (OFF: OFF, HI: high beam, LO: low beam).
RR FOG LAMP Rear fog lamp operation Rear fog lamp is operated by switching operation ON-OFF.
FR FOG LAMP Front fog lamp operation Front fog lamp relay is operated by switching operation ON-OFF.
CORNERING LAMP
Cornering lamp operation
NOTE—
ILL DIM SIGNALCombination meter and dis-
play dimming operationDimming function by MR output signal from BCM, it is operated by switch-
ing operation ON-OFF.
Diagnosis Mode Description
SELF-DIAGNOSTIC RESULTS Refer to PG-19, "
SELF-DIAG RESULTS" .
DATA MONITOR The input/output data of the IPDM E/R is displayed in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST IPDM E/R sends a drive signal to electronic components to check their operation.

HEADLAMP - XENON TYPE -
LT-21
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DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE ” screen.
2. Touch “ALL SIGNALS”, “MAIN SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM”
screen.
3. When “ALL SIGNALS” is selected, all items will be monitored. When “MAIN SIGNALS” is selected, prede-
termined items will be monitored. When “SELECTION FROM MENU” is selected, touch individual items to
be monitored.
4. Touch “START”.
5. Touch “RECORD” while monitoring to record the status of the item being monitored. To stop recording,
touch “STOP”.
Display Item List
NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. If the ignition switch is at ACC, the display may not be correct.
ACTIVE TEST
Operation Procedure
1. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Touch item to be tested and check operation of the selected item.
3. Touch “OFF” while testing to stop the operation.
NOTE:
High beam headlamp repeats high beam and low beam every 1 second. When high beam headlamp of xenon type operates, the
headlamp perform the HIGH-LOW changeover operation without illuminating the headlamp bulb. ALL SIGNALS Monitors all items.
MAIN SIGNALS Monitor the predetermined item.
SELECTION FROM MENU Selects item and monitors them.
Monitor item Contents
TAIL&CLR REQ “ON/OFF”Status (lighting switch 1ST or 2ND position: ON/others: OFF) of lighting switch judged from position
light request signal through CAN communication is displayed.
HL LO REQ “ON/OFF”Status (lighting switch 2ND position: ON/others: OFF) of lighting switch 2ND position judged from
headlamp low beam request signal through CAN communication is displayed.
HL HI REQ “ON/OFF”Status (high beam or flash-to-passing switch: ON/others: OFF) of high beam or passing switch
judged from headlamp high beam request signal through CAN communication is displayed.
FR FOG REQ “ON/OFF”Status (front fog lamp switch: ON/others: OFF) of front fog lamp switch judged from front fog light
request signal through CAN communication is displayed.
CONSULT-II
screen displayTest item Description
TAIL LAMPParking, license plate and tail
lamps operationTail lamp relay is operated by switching operation ON-OFF.
LAMPSHigh beam headlamp and low
beam headlamp operation
NOTEHeadlamp low relay and headlamp high relay are operated by switching operation
(OFF: OFF, HI: high beam, LO: low beam)
Front fog lamp operation Front fog lamp relay is operated by switching operation (OFF: OFF, FOG: ON).

LT-22
HEADLAMP - XENON TYPE -

Headlamp Do Not Change To High (Both Sides)BKS001N6
1. PERFORM IPDM E/R ACTIVE TEST
With CONSULT-II
1. Select “IPDM E/R” on CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “LAMPS” on “SELECT TEST ITEM” screen.
3. Touch “HI” screen.
4. Check high beam headlamp operation.
Without CONSULT-II
1. Start auto active test. Refer to PG-21, "
Auto Active Test" .
2. Check high beam headlamp operation.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
2. PERFORM BCM SELF-DIAGNOSIS
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>GO TO 3.
CAN COMM CIRCUIT>>Refer to LAN-49, "
CAN System Specifica-
tion Chart" .
3. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-II
1. Select “BCM” on CONSULT-II, and select “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HI BEAM SW” turns ON-OFF according to light-
ing switch operation.
Without CONSULT-II
Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM"
NG >> Check combination switch (lighting switch). Refer to LT- 1 8 5 , "Combination Switch Inspection" . High beam headlamp should operate.
(Headlamp perform the HIGH-LOW changeover opera-
tion without illuminating the headlamp bulb.)
High beam headlamp should operate.
(Headlamp perform the HIGH-LOW changeover opera-
tion without illuminating the headlamp bulb.)
SKIA5774E
PKIA7627E
When lighting switch is in
the HIGH BEAM position: HI BEAM SW ON
PKIA7585E

HEADLAMP - XENON TYPE -
LT-27
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Headlamp Do Not Illuminate (Both Sides)BKS001N9
1. PERFORM IPDM E/R ACTIVE TEST
With CONSULT-II
1. Select “IPDM E/R” on CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “LAMPS” on “SELECT TEST ITEM” screen.
3. Touch “LO” screen.
4. Check low beam headlamp operation.
Without CONSULT-II
1. Start auto active test. Refer to PG-21, "
Auto Active Test" .
2. Check low beam headlamp operation.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
2. PERFORM BCM SELF-DIAGNOSIS
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>GO TO 3.
CAN COMM CIRCUIT>>Refer to LAN-49, "
CAN System Specifica-
tion Chart" .
3. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-II
1. Select “BCM” on CONSULT-II, and select “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HEAD LAMP SW 1” and “HEAD LAMP SW 2”
turns ON-OFF according to lighting switch operation.
Without CONSULT-II
Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (lighting switch). Refer to LT- 1 8 5 , "
Combination Switch Inspection" . Low beam headlamp should operate.
Low beam headlamp should operate.
SKIA5774E
PKIA7627E
When lighting switch is in
the 2ND position: HEAD LAMP SW 1 ON
: HEAD LAMP SW 2 ON
PKIA7586E

LT-50
HEADLAMP - HALOGEN TYPE -

Headlamp High Do Not Illuminate (Both Sides)BKS001NV
1. PERFORM IPDM E/R ACTIVE TEST
With CONSULT-II
1. Select “IPDM E/R” on CONSULT-II, and select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Select “LAMPS” on “SELECT TEST ITEM” screen.
3. Touch “HI” screen.
4. Check high beam headlamp operation.
Without CONSULT-II
1. Start auto active test. Refer to PG-21, "
Auto Active Test" .
2. Check high beam headlamp operation.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
2. PERFORM BCM SELF-DIAGNOSIS
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>GO TO 3.
CAN COMM CIRCUIT>>Refer to LAN-49, "
CAN System Specifica-
tion Chart" .
3. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-II
1. Select “BCM” on CONSULT-II, and select “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HI BEAM SW” turns ON-OFF according to light-
ing switch operation.
Without CONSULT-II
Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (lighting switch). Refer to LT- 1 8 5 , "
Combination Switch Inspection" . High beam headlamp should operate
(High beam headlamp repeats ON–OFF every 1 second).
High beam headlamp should operate.
SKIA5774E
PKIA7627E
When lighting switch is in
the HIGH BEAM position: HI BEAM SW ON
PKIA7585E

HEADLAMP - HALOGEN TYPE -
LT-55
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2. PERFORM BCM SELF-DIAGNOSIS
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>GO TO 3.
CAN COMM CIRCUIT>>Refer to LAN-49, "
CAN System Specifica-
tion Chart" .
3. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-II
1. Select “BCM” on CONSULT-II, and select “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HEAD LAMP SW1” and “HEAD LAMP SW2”
turns ON-OFF according to lighting switch operation.
Without CONSULT-II
Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (lighting switch). Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
4. CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT COMBINATION LAMP
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front combination lamp (RH and LH) connector.
3. Check continuity between IPDM E/R harness connector (A) and
front combination lamp (RH and LH) harness connector (B).
4. Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
PKIA7627E
When lighting switch is in
the 2ND position: HEAD LAMP SW1 ON
: HEAD LAMP SW2 ON
PKIA7586E
CircuitAB
Continuity
Connector Terminal Connector Terminal
RH
E720 E47 1
Ye s
LH 30 E46 1
A
GroundContinuity
Connector Terminal
RH
E720
No
LH 30
PKID0082E

LT-72
AUTO LIGHT SYSTEM

3. PERFORM BCM SELF-DIAGNOSIS
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>GO TO 4.
CAN COMM CIRCUIT>>Refer to LAN-49, "
CAN System Specifica-
tion Chart" .
4. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-II
1. Select “BCM” on CONSULT-II, and select “HEAD LAMP” on “SELECT TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure “AUTO LIGHT SW” turns ON–OFF according to light-
ing switch operation.
Without CONSULT-II
Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (lighting switch). Refer to LT- 1 8 5 , "
Combination Switch Inspection" .
5. CHECK CIRCUIT BETWEEN BCM AND OPTICAL SENSOR
1. Turn ignition switch OFF.
2. Disconnect BCM connector and optical sensor connector.
3. Check continuity between BCM harness connector (A) and opti-
cal sensor harness connector (B).
4. Check continuity between BCM harness connector (A) and
ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
PKIA7627E
When lighting switch is in the
AUTO position: AUTO LIGHT SW ON
PKIA7595E
AB
Continuity
Connector Terminal Connector Terminal
M317
M181
Ye s 14 2
18 3
A
GroundContinuity
Connector Terminal
M317
No 14
18
PKID0277E