Jaguar XJ (X350). Service manual — part 870

G531330t63 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the ECM electrical connector, PI300. 2. Measure the resistance between:

CKP sensor connector PI21, harness side ECM connector PI300, harness side

Pin 02

Pin 30

Is the resistance greater than 5 ohms?

-> Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the

DTC and test the system for normal operation.

-> No

GO to Pinpoint Test G531330t66.

G531330t66 : CHECK THE CKP SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

CKP sensor connector PI21, harness side ECM connector PI300, harness side

Pin 01

Pin 06

Is the resistance greater than 5 ohms?

-> Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the

DTC and test the system for normal operation.

-> No

INSTALL a new CKP sensor.

Crankshaft Position (CKP) Sensor (18.30.12) CLEAR the DTC and test the system for normal

operation.

PINPOINT TEST G531330p18 : RIGHT-
HAND CAMSHAFT POSITION (CMP)
SENSOR CIRCUIT

G531330t67 : CHECK THE CMP SENSOR FOR CORRECT INSTALLATION

1. Check the CMP sensor for correct installation.

Is the CMP sensor correctly installed?

-> Yes

GO to Pinpoint Test G531330t68.

-> No

INSTALL the CMP sensor correctly.

Camshaft Position (CMP) Sensor RH (18.31.11) CLEAR the DTCs and test the system for normal

operation.

G531330t68 : CHECK THE CMP SENSOR FOR FOREIGN DEBRIS

1. Remove the CMP sensor and inspect for foreign debris.

Is the CMP sensor free of foreign debris?

-> Yes

GO to Pinpoint Test G531330t71.

-> No

CLEAN the sensor and wheel. INSTALL the sensor.

Camshaft Position (CMP) Sensor RH (18.31.11) CLEAR the DTCs and test the system for normal

operation.

G531330t71 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Disconnect the CMP sensor electrical connector, PI23. 2. Measure the resistance between:

CMP sensor connector PI23, harness side

Battery

Pin 02

Negative terminal

Is the resistance less than 10,000 ohms?

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-> Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC and

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t70.

G531330t70 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

CMP sensor connector PI23, harness side

Battery

Pin 02

Positive terminal

Is the resistance less than 10,000 ohms?

-> Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC and

test the system for normal operation.

-> No

GO to Pinpoint Test G531330t69.

G531330t69 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the ECM electrical connector, PI300. 2. Measure the resistance between:

CMP sensor connector PI23, harness side ECM connector PI300, harness side

Pin 02

Pin 34

Is the resistance greater than 5 ohms?

-> Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the

DTC and test the system for normal operation.

-> No

GO to Pinpoint Test G531330t72.

G531330t72 : CHECK THE CMP SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

CMP sensor connector PI23, harness side ECM connector PI300, harness side

Pin 01

Pin 07

Is the resistance greater than 5 ohms?

-> Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the

DTC and test the system for normal operation.

-> No

INSTALL a new CMP sensor.

Camshaft Position (CMP) Sensor RH (18.31.11) CLEAR the DTC and test the system for normal

operation.

PINPOINT TEST G531330p28 : LEFT-
HAND CAMSHAFT POSITION (CMP)
SENSOR CIRCUIT

G531330t135 : CHECK THE CMP SENSOR FOR CORRECT INSTALLATION

1. Check the CMP sensor for correct installation.

Is the CMP sensor correctly installed?

-> Yes

GO to Pinpoint Test G531330t136.

-> No

INSTALL the CMP sensor correctly.

Camshaft Position (CMP) Sensor LH (18.31.12) CLEAR the DTCs and test the system for normal

operation.

G531330t136 : CHECK THE CMP SENSOR FOR FOREIGN DEBRIS

1. Remove the CMP sensor and inspect for foreign debris.

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