2005 INFINITI FX35 Service Manual

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Page 1281 of 4731

INFINITI FX35 2005 Service Manual DI-20
COMBINATION METERS
Revision: 2005 July 2005 FX
Vehicle Speed Signal InspectionAKS005MV
Symptom: Indication is irregular for the speedometer and odo/trip meter.
1. CHECK ABS ACTUATOR AND ELECTRIC

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INFINITI FX35 2005 Service Manual COMBINATION METERS DI-21
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Engine Speed Signal Inspection AKS005MW
Symptom: Tachometer indication is malfunction.
1. CHECK UNIFIED MET

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INFINITI FX35 2005 Service Manual DI-22
COMBINATION METERS
Revision: 2005 July 2005 FX
2. CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Select “ENGINE” on CONSULT-II.
2. Using “COOLAN TEMP/S” on “DATA MONITOR”, print

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INFINITI FX35 2005 Service Manual COMBINATION METERS DI-23
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3. CHECK FUEL LEVEL SENSOR (SUB) CIRCUIT
1. Disconnect unified meter and A/C amp. connector and fuel level

COMBINATION METERS DI-23
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3. CHECK FUEL LEVEL SENSOR (SUB) CIRCUIT
1. Disconnect unified meter and A/C amp. connector and fuel level sensor unit (sub) connector.
2. Check continuity between unified meter and A/C amp. harness connector M56 terminal 28 (W/B) and fuel level sensor unit (sub)
harness connector B40 terminal 1 (LG).
3. Check continuity between unified meter and A/C amp. harness connector M56 terminal 28 (W/B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK FUEL LEVEL SENSOR (MAIN·SUB) CIRCUIT
1. Disconnect fuel level sensor unit and fuel pump (main) connector.
2. Check continuity between fuel level sensor unit (sub) harness connector B40 terminal 2 (Y) and fuel level sensor unit and fuel
pump (main) harness connector B39 terminal 2 (Y).
3. Check continuity between fuel level sensor unit (sub) harness connector B40 terminal 2 (Y) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK FUEL LEVEL SENSOR (MAIN) CIRCUIT
1. Check continuity between fuel level sensor unit and fuel pump (main) harness connector B39 terminal 5 (B) and unified meter
and A/C amp. harness connector M56 terminal 36 (B/W).
2. Check continuity between fuel level sensor unit and fuel pump (main) harness connector B39 terminal 5 (B) and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
6. CHECK INSTALLATION CONDITION
Check fuel level sensor unit installation, and check whether the float arm interferes or binds with any of the
internal components in the fuel tank.
OK or NG
OK >> Replace unified meter and A/C amp. Refer to DI-37, "Removal and Installation of Unified Meter
and A/C Amp."
NG >> Install the fuel level sensor unit properly. 28 (W/B) – 1 (LG) : Continuity should exist.
28 (W/B) – Ground : Continuity should not exist.
PKIB3585E
2 (Y) – 2 (Y) : Continuity should exist.
2 (Y) – Ground : Continuity should not exist.
SKIA5204E
5 (B) – 36 (B/W) : Continuity should exist.
5 (B) – Ground : Continuity should not exist.
PKIB3586E

Page 1285 of 4731

INFINITI FX35 2005 Service Manual DI-24
COMBINATION METERS
Revision: 2005 July 2005 FX
Odo/Trip Meter and Illumination Control Switch InspectionAKS005N2
Symptom: Illumination control does not operate.
1. CHECK ODO/TRIP METER AND ILLUM

DI-24
COMBINATION METERS
Revision: 2005 July 2005 FX
Odo/Trip Meter and Illumination Control Switch InspectionAKS005N2
Symptom: Illumination control does not operate.
1. CHECK ODO/TRIP METER AND ILLUMINATION CONTROL SWITCH
1. Remove odo/trip meter and illumination control switch. Refer to DI-27, "
Removal and Installation of Odo/
Trip Meter and Illumination Control Switch" .
2. Check continuity between odo/trip meter and illumination control switch harness connector terminals 25, 26, 35 or 36 and 27.
OK or NG
OK >> Replace combination meter.
NG >> Replace odo/trip meter and illumination control switch.
Fuel Gauge Pointer Fluctuates, Indicator Wrong Value or VariesAKS005N3
1. CHECK FUEL GAUGE FLUCTUATION
Test drive vehicle to see if gauge fluctuates only during driving or at the instant of stopping.
Does the indication value vary only during driving or at the instant of stopping?
YES >> The pointer fluctuation may be caused by fuel level change in the fuel tank. Condition is normal.
NO >> Ask the customer about the situation when the symptom occurs in detail, and perform the trouble diagnosis.
Fuel Gauge Does Not Move to FULL PositionAKS005N4
1. QUESTION 1
Does it take a long time for the pointer to move to FULL position?
YES >> GO TO 2.
NO >> GO TO 3.
2. QUESTION 2
Was the vehicle fueled with the ignition switch ON?
YES >> Be sure to fuel the vehicle with the ignition switch OFF. Otherwise, it will take a long time to move to FULL position because of the characteristic of the fuel gauge.
NO >> GO TO 3.
3. QUESTION 3
Is the vehicle parked on an incline?
YES >> Check the fuel level indication with vehicle on a level surface.
NO >> GO TO 4.
Terminal Condition Continuity
25
27 Illumination control switch (–) is pushed. Yes
Illumination control switch (–) is released. No
26 Illumination control switch (+) is pushed. Yes
Illumination control switch (+) is released. No
36 Trip transfer switch is pushed. Yes
Trip transfer switch is released. No
35 Trip reset switch is pushed. Yes
Trip reset switch is released. No
PKIB3571E

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INFINITI FX35 2005 Service Manual COMBINATION METERS DI-25
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4. QUESTION 4
During driving, does the fuel gauge pointer move gradually toward EMPTY position?
YES >> Che

Page 1287 of 4731

INFINITI FX35 2005 Service Manual DI-26
COMBINATION METERS
Revision: 2005 July 2005 FX
Disassembly and Assembly of Combination MeterAKS007G1
DISASSEMBLY
1. Remove screws (3) and remove rear cover.
2. Disconnect odo/trip meter and ill

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INFINITI FX35 2005 Service Manual COMBINATION METERS DI-27
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Revision: 2005 July 2005 FX
4. Remove screws (2) and remove reinforcing metal.
5. Disengage tabs (8) to separate front cover.
6. Remov

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