2010 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2010  Factory Service Manual PARKING LAMP CIRCUITEXL-41
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3. Check continuity between the license plate lamp harness con- nectors and ground.
Does continuity exist?
YES >> In

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INFINITI QX56 2010  Factory Service Manual EXL-42
< COMPONENT DIAGNOSIS >
PARKING LAMP CIRCUIT
7. With the parking lamps ON, check voltage between the licenseplate lamp connector and ground
Are voltage readings as specified?
YES >> GO TO 4.
NO

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INFINITI QX56 2010  Factory Service Manual PARKING LAMP CIRCUITEXL-43
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1. Check continuity between the front combination lamp harness connectors E6 and E108 terminal 4 and ground.
2. Chec

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INFINITI QX56 2010  Factory Service Manual EXL-44
< COMPONENT DIAGNOSIS >
TURN SIGNAL LAMP CIRCUIT
TURN SIGNAL LAMP CIRCUIT
DescriptionINFOID:0000000005146654
The BCM monitors inputs from the combination switch (lighting and turn signal switch

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INFINITI QX56 2010  Factory Service Manual TURN SIGNAL LAMP CIRCUITEXL-45
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Is voltage reading as specified?
YES >> GO TO 3.
NO >> Replace BCM. Refer to  BCS-59, "
Removal and Installation

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INFINITI QX56 2010  Factory Service Manual EXL-46
< COMPONENT DIAGNOSIS >
TURN SIGNAL LAMP CIRCUIT
Check continuity between the BCM harness connector M20 and
ground.
Does continuity exist?
YES >> Repair the harnesses or connectors.
NO >> GO TO

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INFINITI QX56 2010  Factory Service Manual OPTICAL SENSOREXL-47
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OPTICAL SENSOR
DescriptionINFOID:0000000005146657
The optical sensor converts the outside brightness (lux) to voltage and

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INFINITI QX56 2010  Factory Service Manual EXL-48
< COMPONENT DIAGNOSIS >
OPTICAL SENSOR
1. Check continuity between BCM harness connector M20 (A) ter-minal 58 and optical sensor harness connector M302 (B) termi-
nal 4.
2. Check continuity bet