2004 INFINITI QX56 Factory Service Manual

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Page 1129 of 3371

INFINITI QX56 2004 Factory Service Manual DI-26
COMPASS AND THERMOMETER
Revision: August 20072004 QX56
COMPASS AND THERMOMETERPFP:24835
System DescriptionEKS007E4
This unit displays the following items:
Earth magnetism and heading direction

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INFINITI QX56 2004 Factory Service Manual COMPASS AND THERMOMETER
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Revision: August 20072004 QX56
Wiring Diagram — COMPAS —EKS007E5
WKWA3054E

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INFINITI QX56 2004 Factory Service Manual DI-28
COMPASS AND THERMOMETER
Revision: August 20072004 QX56
Trouble DiagnosesEKS007E6
PRELIMINARY CHECK FOR THERMOMETER
1. COOL DOWN CHECK
1. Turn the ignition switch to the ON position.
2. Cool down

DI-28
COMPASS AND THERMOMETER
Revision: August 20072004 QX56
Trouble DiagnosesEKS007E6
PRELIMINARY CHECK FOR THERMOMETER
1. COOL DOWN CHECK
1. Turn the ignition switch to the ON position.
2. Cool down the ambient sensor with water or ice.
Does the indicated temperature drop?
Yes >> GO TO 2.
No >> The system is malfunctioning. Refer to DI-28, "
INSPECTION/COMPASS AND THERMOMETER"
.
2. WARM UP CHECK
1. Leave the vehicle for 10 minutes.
2. With the ignition switch in the ON position, disconnect and reconnect the ambient sensor connector.
Does the indicated temperature rise?
Yes >> The system is OK.
No >> The system is malfunctioning. Refer to DI-28, "
INSPECTION/COMPASS AND THERMOMETER"
.
NOTE:
The indicated temperature on the thermometer is not readily affected by engine heat. It changes only
when one of the following conditions is present.
–The temperature detected by the ambient sensor is lower than the indicated temperature on the thermom-
eter.
–The vehicle speed is greater than 20 km/h (13 MPH).
(This is to prevent the indicated temperature from being affected by engine heat during low-speed driv-
ing.)
–The ignition switch has been turned to the OFF position for more than 2 hours. (The engine is cold.)
INSPECTION/COMPASS AND THERMOMETER
Symptom Possible causes Repair order
No display at all 1. 10A fuse
2. Ground circuit
3. Compass and thermometer1. Check 10A fuse [No. 12, located in fuse block (J/B)].
Turn the ignition switch ON and verify that battery positive volt-
age is at terminal 2 of compass and thermometer.
2. Check ground circuit for compass and thermometer.
3. Replace compass and thermometer.
Forward direction indi-
cation slips off the mark
or incorrect.1. In manual correction mode (Bar and
display vanish.)
2. Zone variation change is not done.1. Drive the vehicle and turn at an angle of 90°.
2. Perform the zone variation change.
Compass reading
remains unchanged.1. Vehicle speed signal is not entered.
2. Compass and thermometer1. Check harness for open or short between combination meter
terminal 29 and compass and thermometer terminal 8.
2. Replace compass and thermometer.
Displays wrong tem-
perature when ambient
temperature is between
−40°C (−40°F) and
55°C (130°F). (See
NOTE above.)1. Check operation
2. Ambient sensor circuit
3. Vehicle speed signal is not entered.
4. Ambient sensor
5. Compass and thermometer1. Perform preliminary check shown above.
2. Check harness for open or short between ambient sensor and
compass and thermometer.
3. Check harness for open or short between combination meter
terminal 29 and compass and thermometer terminal 8.
4. Replace ambient sensor.
5. Replace compass and thermometer.
Displays SC or OC. 1. Ambient sensor circuit.
2. Ambient sensor.
3. Compass and thermometer.1. Check harness for open or short between ambient sensor and
compass and thermometer.
2. Replace ambient sensor.
3. Replace compass and thermometer.

Page 1132 of 3371

INFINITI QX56 2004 Factory Service Manual COMPASS AND THERMOMETER
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Calibration Procedure for CompassEKS007E7
The difference between magnetic North and geographical North can someti

Page 1133 of 3371

INFINITI QX56 2004 Factory Service Manual DI-30
COMPASS AND THERMOMETER
Revision: August 20072004 QX56
INITIAL CORRECTION PROCEDURE FOR COMPASS
1. Pushing the Mode switch for about 10 seconds will enter the initial correction mode. The compas

Page 1134 of 3371

INFINITI QX56 2004 Factory Service Manual WARNING LAMPS
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Revision: August 20072004 QX56
WARNING LAMPSPFP:24814
SchematicEKS007E8
WKWA3055E

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INFINITI QX56 2004 Factory Service Manual DI-32
WARNING LAMPS
Revision: August 20072004 QX56
Wiring Diagram — WARN —EKS007E9
WKWA3056E

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INFINITI QX56 2004 Factory Service Manual WARNING LAMPS
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Revision: August 20072004 QX56
WKWA3057E

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