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DI-32
WARNING LAMPS
Revision: November 20092006 QX56
Wiring Diagram — WARN —EKS00BCJ
WKWA3620E
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WARNING LAMPSDI-33
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Revision: November 2009 2006 QX56
WKWA3621E
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DI-34
WARNING LAMPS
Revision: November 20092006 QX56
WKWA3622E
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WARNING LAMPSDI-35
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Revision: November 2009 2006 QX56
WKWA3623E
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DI-36
WARNING LAMPS
Revision: November 20092006 QX56
WKWA5512E
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WARNING LAMPSDI-37
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Revision: November 2009 2006 QX56
4WD Models
WKWA3625E
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DI-38
WARNING LAMPS
Revision: November 20092006 QX56
Oil Pressure Warning Lamp Stays Off (Ignition Switch ON)EKS00BCK
1. CHECK OIL PRESSURE SENSOR SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M24 terminal 20 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK OIL PRESSURE SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector M24 and oil pressure sensor connector F4.
3. Check continuity between combination meter harness connector M24 terminal 16 and oil pressure sensor harness connector F4
terminal 3.
OK or NG
OK >> Replace the combination meter. Refer to IP-13, "COM-
BINATION METER" .
NG >> Repair harness or connector.
3. CHECK OIL PRESSURE SENSOR REFERENCE VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect oil pressure sensor connector F4.
3. Turn ignition switch ON.
4. Check voltage between combination meter harness connector M24 terminal 22 and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace the combination meter. Refer to IP-13, "
COM-
BINATION METER" .
Terminals
Condition Voltage (V)
(+)
(– )
Connector Terminal
M24 20 Ground When ignition switch is in ON
position. (Engine stopped)
Ye s
Engine running. (Idle speed) Yes
WKIA1833E
Continuity should exist.
WKIA1837E
Voltage : Approx. 5V
WKIA1834E
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WARNING LAMPSDI-39
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Revision: November 2009 2006 QX56
4. CHECK OIL PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector M24.
3. Check continuity between combination meter harness connector M24 terminal 22 and oil pressure sensor harness connector F4 terminal 1.
4. Check continuity between combination meter harness connector M24 terminal 22 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK OIL PRESSURE SENSOR SIGNAL CIRCUIT
1. Check continuity between combination meter harness connector M24 terminal 20 and oil pressure sensor harness connector F4 terminal 2.
2. Check continuity between combination meter harness connector M24 terminal 20 and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
6. CHECK OIL PRESSURE SENSOR GROUND CIRCUIT
Check continuity between combination meter harness connector
M24 terminal 16 and ground.
OK or NG
OK >> Replace oil pressure sensor.
NG >> Repair harness or connector. Continuity should exist.
Continuity should not exist.
WKIA1835E
Continuity should exist.
Continuity should not exist.
WKIA1836E
Continuity should not exist.
WKIA2685E