Jaguar XJ (X350). Manual — part 871

Is the CMP sensor free of foreign debris?

-> Yes

GO to Pinpoint Test G531330t139.

-> No

CLEAN the sensor and wheel. INSTALL the sensor.

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

operation.

G531330t139 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Disconnect the CMP sensor electrical connector, PI22. 2. Measure the resistance between:

CMP sensor connector PI22, harness side

Battery

Pin 01

Negative 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 G531330t138.

G531330t138 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

CMP sensor connector PI22, harness side

Battery

Pin 01

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 G531330t137.

G531330t137 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR HIGH
RESISTANCE

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

CMP sensor connector PI22, harness side ECM connector PI300, harness side

Pin 01

Pin 33

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 G531330t174.

G531330t174 : CHECK THE CMP SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

CMP sensor connector PI22, harness side ECM connector PI300, harness side

Pin 02

Pin 08

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 LH (18.31.12) CLEAR the DTC and test the system for normal

operation.

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PINPOINT TEST G531330p19 :
RADIATOR COOLING FAN MODULE
DRIVE CIRCUIT

G531330t73 : CHECK THE RADIATOR FAN MODULE PERMANENT SUPPLY

1. Disconnect the fan module electrical connector, EC20. 2. Measure the voltage between:

Fan module connector EC20, harness side

Battery

Pin 01

Negative terminal

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the cooling fan module and battery. This circuit includes fuse 35 of the

front power distribution box. For additional information, refer to the wiring diagrams. CLEAR the DTC

and test the system for normal operation.

-> No

GO to Pinpoint Test G531330t75.

G531330t75 : CHECK THE RADIATOR FAN MODULE EMS SWITCHED SUPPLY

1. Disconnect the fan module electrical connector, GC01. 2. Key on, engine off. 3. Make sure the EMS

relay is engaged. 4. Measure the voltage between:

Fan module connector GC01, harness side

Battery

Pin 02

Negative terminal

Is the voltage less than 10 volts?

-> Yes

REPAIR the circuit between the cooling fan module and battery. This circuit includes fuse 14 of the

front power distribution box and the EMS control relay. For additional information, refer to the

wiring diagrams. CLEAR the DTC and test the system for normal operation.

-> No

GO to Pinpoint Test G531330t78.

G531330t78 : CHECK THE RADIATOR FAN MODULE CONTROL CIRCUIT FOR
SHORT CIRCUIT TO GROUND

1. Key off. 2. Measure the resistance between:

Fan module connector GC01, harness side

Battery

Pin 01

Negative 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 G531330t77.

G531330t77 : CHECK THE RADIATOR FAN MODULE CONTROL CIRCUIT FOR
SHORT CIRCUIT TO POWER

1. Measure the resistance between:

Fan module connector GC01, harness side

Battery

Pin 01

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 G531330t76.

G531330t76 : CHECK THE RADIATOR FAN MODULE CONTROL CIRCUIT FOR
HIGH RESISTANCE

1. Disconnect the ECM electrical connector, EC300. 2. Measure the resistance between:

Fan module connector GC01, harness side ECM connector EC300, harness side

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