2005 INFINITI QX4 turn signal

DI-52
WARNING CHIME
Revision: October 20052005 QX56
Key Warning Chime and Light Warning Chime Do Not Operate (Seat Belt Warn-
ing Chime Does Operate)
EKS00BCY
1. CHECK BCM INPUT SIGNAL
With CONSULT-II
1. Select "BCM" on CONSULT-II.
2. With "DATA MONITOR" of "BUZZER", confirm "DOOR SW-DR"
changes with the status of front door LH.
Without CONSULT-II
Check voltage between BCM harness connector M19 terminal 47
(SB) and ground.
OK or NG
OK >> Replace the BCM. Refer to BCS-20, "Removal and
Installation of BCM" .
NG >> GO TO 2.
2. CHECK FRONT DOOR SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M19 and front door switch LH con-
nector B8.
3. Check continuity between BCM harness connector M19 terminal
47 (SB) and front door switch LH harness connector B8 terminal
2 (SB).
4. Check continuity between BCM harness connector M19 terminal
47 (SB) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.When front door LH is
opened: DOOR SW-DR ON
When front door LH is
closed: DOOR SW-DR OFF
LKIA0335E
When front door LH is
opened: Approx. 0V
When front door LH is
closed: Approx. 5V
WKIA1515E
Continuity should exist.
Continuity should not exist.
WKIA1516E

DI-54
WARNING CHIME
Revision: October 20052005 QX56
3. CHECK BCM INPUT SIGNAL
With CONSULT-II
With "DATA MONITOR" of "BUZZER", confirm "KEY ON SW"
changes when the key is inserted/removed from the ignition key cyl-
inder.
Without CONSULT-II
Check voltage between BCM harness connector M18 terminal 37 (B/
R) and ground.
OK or NG
OK >> Replace the BCM. Refer to BCS-20, "Removal and
Installation of BCM" .
NG >> GO TO 4.
4. CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check continuity between key switch and key lock solenoid con-
nector M27 terminals 3 and 4.
OK or NG
OK >> GO TO 5.
NG >> Replace the key switch and key lock solenoid.When key is inserted in ignition
key cylinder: KEY ON SW ON
When key is removed from
ignition key cylinder: KEY ON SW OFF
SKIA1960E
Te r m i n a l s
Condition Voltage (V) (+)
(–)
ConnectorTe r m i n a l
(Wire color)
M18 37 (B/R) GroundKey is inserted Battery voltage
Key is removed 0
LKIA0255E
Terminals Condition Continuity
34Key is inserted Yes
Key is removed No
WKIA1820E

DI-56
WARNING CHIME
Revision: October 20052005 QX56
Seat Belt Warning Chime Does Not OperateEKS00BD1
1. CHECK WARNING CHIME OPERATION
1. With key removed from the ignition and the front door LH open, turn the lighting switch to 1st or 2nd posi-
tion.
2. Return lighting switch to OFF position, and insert key into ignition.
Does warning chime sound for both steps?
YES >> GO TO 2.
NO >> Go to DI-51, "
All Warning Chimes Do Not Operate" .
2. CHECK SEAT BELT WARNING LAMP OPERATION
Turn ignition switch ON. Buckle and unbuckle the driver seat belt while watching seat belt warning lamp.
OK or NG
OK >> Replace the BCM. Refer to BCS-20, "Removal and Installation of BCM" .
NG >> GO TO 3.
3. CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector
M24 terminal 27 (O/B) and ground.
OK or NG
OK >> Replace the combination meter. Refer to IP-13, "Combination Meter" .
NG >> GO TO 4.
4. CHECK SEAT BELT BUCKLE SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat belt buckle pre-tensioner assembly (seat belt
buckle switch) LH connector.
3. Check continuity between seat belt buckle pre-tensioner assem-
bly (seat belt buckle switch) LH terminals 1 and 2.
OK or NG
OK >> GO TO 5.
NG >> Replace the seat belt buckle pre-tensioner assembly (seat belt buckle switch) LH.When seat belt is fastened : Warning lamp OFF
When seat belt is unfastened : Warning lamp ON
Terminals
ConditionVoltage (V)
(Approx.) (+)
(–)
ConnectorTe r m i n a l
(Wire
color)
M24 27 (O/B) GroundSeat belt is fastened Battery voltage
Seat belt is unfastened 0
WKIA1821E
Terminals Condition Continuity
12Seat belt is fastened No
Seat belt is unfastened Yes
WKIA3607E

REAR SONAR SYSTEM
DI-63
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DI
Revision: October 20052005 QX56
Terminals And Reference Value For Sonar Control UnitEKS00BD5
How to Proceed With Trouble DiagnosisEKS00BD6
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to DI-59, "
System Description" .
3. Perform pre-diagnosis inspection. Refer to DI-64, "
Pre-diagnosis Inspection" .
4. Perform self-diagnosis. Refer to DI-64, "
Self-diagnosis Function" .
5. Perform the preliminary check. Refer to DI-66, "
Preliminary Check" .
6. Check symptom and repair or replace the cause of malfunction. Refer to DI-67, "
Symptom Chart" .
7. Does the rear sonar system operate properly? If so, go to 8. If not, go to 3.
8. Clear fault codes. Refer to DI-65, "
IDLING OR CLEARING FAULT CODES MODE" .
9. Inspection End.
TERMINAL
(COLOR)ITEMCONDITION
Reference value (V)
(Approx.) IGNITION
SWITCHOPERATION
3 (R) Sonar buzzer return ON — 0 - 12 (variable)
4 (BR/Y)Rear sonar system
OFF indicator outputONRear sonar system OFF
switch ON 0
OFF 12
5 (G/W) Reverse signal ONTransmission gear
selector leverR position 12
Transmission gear
selector leverNot R position 0
6 (B)Sonar control unit
ground —— 0
7 (L) Sonar buzzer drive
signalON — 12
8 (G/R)Sonar control unit
powerON — 12
9 (GR)Rear sonar sensor
signal - RH outerON

Rear sonar system OFF switch ON

Transmission gear selector lever in R
position

No obstacles12
10 (P)Rear sonar sensor
signal - LH outerON

Rear sonar system OFF switch ON

Transmission gear selector lever in R
position

No obstacles12
11 ( O )Rear sonar sensor
signal - LH innerON

Rear sonar system OFF switch ON

Transmission gear selector lever in R
position

Distance obstacles12
12 (LG)Rear sonar sensor
signal - RH innerON

Rear sonar system OFF switch ON

Transmission gear selector lever in R
position

Distance obstacles12
13 (LG)Rear sonar system
OFF switch signalONRear sonar system OFF
switchON 0
OFF 12
15 (Y)Rear sonar sensor
groundON — 0
16 (LG/B)Rear sonar sensor
powerON Ignition switch ON 12

DI-78
REAR VIEW MONITOR
Revision: October 20052005 QX56
CONSULT-II Function (REARVIEW CAMERA)EKS00BDK
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II BASIC OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. With the ignition switch OFF, connect “CONSULT-II” and “CON-
SULT-II CONVERTER” to the data link connector, then turn igni-
tion switch ON.
2. Touch “START (NISSAN BASED VHCL)”.
3. Touch “REARVIEW CAMERA” on “SELECT SYSTEM” screen. If
"REARVIEW CAMERA” is not indicated, go to BCS-11, "
CON-
SULT–II INSPECTION PROCEDURE" .
REARVIEW CAMERA
diagnostic modeDescription
WORK SUPPORTSupports inspection and adjustments. Commands are transmitted to the rearview camera control unit
for setting the status suitable for required operation, input/output signals are received from the rear-
view camera control unit and received data is displayed.
DATA MONITOR Displays rearview camera control unit input/output data in real time.
ECU PART NUMBER Rearview camera control unit part number can be read.
BBIA0369E
BCIA0029E
BCIA0030E

REAR VIEW MONITOR
DI-83
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Revision: October 20052005 QX56
Rear View Is Not Displayed With The A/T Selector Lever In R PositionEKS00BDN
1. BACK-UP LAMP INSPECTION
1. Turn ignition switch ON.
2. Shift A/T selector lever to R position.
Does back-up lamp illuminate?
YES >> GO TO 2.
NO >> Check back-up lamp system. Refer to LT-106, "
BACK-UP LAMP" .
2. CHECK REVERSE POSITION INPUT SIGNAL
With CONSULT-II
Select “DATA MONITOR” of “REARVIEW CAMERA”. Operate igni-
tion switch with “R POSI SIG” of “DATA MONITOR” and check oper-
ate status.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector.
3. Turn ignition switch ON.
4. Shift A/T selector lever to R position.
5. Check voltage between rear view camera control unit harness
connector B73 terminal 4 (G/W) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between rear view
camera control unit and back-up lamp relay.
3. CHECK DISPLAY CONTROL UNIT OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector.
3. Turn ignition switch ON.
4. Check voltage between rear view camera control unit harness
connector B73 terminal 5 (BR) and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
SKIA7147E
Battery voltage should exist.
SKIA5086E
Voltage : Approx. 5V
SKIA7148E

DI-84
REAR VIEW MONITOR
Revision: October 20052005 QX56
4. CHECK DISPLAY CONTROL UNIT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display control unit connector.
3. Check continuity between rear view camera control unit harness
connector B73 terminal 5 (BR) and display control unit harness
connector M94 terminal 8 (BR).
4. Check continuity between rear view camera control unit harness
connector B73 terminal 5 (BR) and ground.
OK or NG
OK >> Replace display control unit. Refer to AV- 1 5 8 , "Removal and Installation of Display Control Unit" .
NG >> Repair harness or connector.
5. CHECK AV CONTROL SIGNAL
1. Turn ignition switch OFF.
2. Connect rear view camera control unit connector.
3. Shift A/T selector lever to R position.
4. Check voltage between rear view camera control unit harness
connector B73 terminal 5 (BR) and ground.
OK or NG
OK >> GO TO 6.
NG >> Replace rear view camera control unit. Refer to DI-87,
"Removal and Installation of Rear View Camera Control
Unit" .
6. CHECK REAR VIEW CAMERA OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera connector.
3. Check continuity between rear view camera control unit harness
connector B73 terminal 8 (Y) and rear view camera harness
connector D504 terminal 1 (Y).
4. Check continuity between rear view camera control unit harness
connector B73 terminal 9 and rear view camera harness con-
nector D504 terminal 4.
5. Check continuity between rear view camera control unit harness connector B73 terminal 10 (G) and rear
view camera harness connector D504 terminal 3 (G).
OK or NG
OK >> GO TO 7.
NG >> Repair harness or connector.Continuity should exist.
Continuity should not exist.
SKIA7149E
Voltage : Approx. 0V
SKIA7150E
Continuity should exist.
Continuity should exist.
Continuity should exist.
SKIA5095E

REAR VIEW MONITOR
DI-85
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Revision: October 20052005 QX56
7. CHECK REAR VIEW CAMERA SHORT CIRCUIT
1. Check continuity between rear view camera control unit harness
connector B73 terminal 8 (Y) and ground.
2. Check continuity between rear view camera control unit harness
connector B73 terminal 9 and ground.
3. Check continuity between rear view camera control unit harness
connector B73 terminal 10 (G) and ground.
OK or NG
OK >> GO TO 8.
NG >> Repair harness on connector.
8. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to DI-82, "
Power Supply and Ground Circuit Inspection" .
OK or NG
OK >> GO TO 9.
NG >> Repair or replace power supply or ground circuit.
9. CHECK REAR VIEW CAMERA CONTROL UNIT OUTPUT SIGNAL
1. Connect rear view camera control unit connector.
2. Turn ignition switch ON.
3. Shift A/T selector lever to R position.
4. Check voltage between rear view camera control unit harness
connector B73 terminal 8 (Y) and ground.
OK or NG
OK >> GO TO 10.
NG >> Replace the rear view camera control unit. Refer to DI-
87, "Removal and Installation of Rear View Camera
Control Unit" . Continuity should not exist.
Continuity should not exist.
Continuity should not exist.
SKIA5098E
Voltage : Approx. 6V
SKIA5099E