Jaguar XJ (X350). Manual — part 872

Pin 01

Pin 49

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 G531330t74.

G531330t74 : CHECK THE RADIATOR FAN MODULE GROUND FOR HIGH
RESISTANCE

1. Measure the resistance between:

Fan module connector EC20, harness side

Battery

Pin 02

Negative terminal

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 radiator cooling fan module. CLEAR the DTC and test the system for normal operation.

PINPOINT TEST G531330p20 :
BATTERY POWER SUPPLY VOLTAGE

G531330t79 : CHECK THE BATTERY POWER SUPPLY TO THE ECM

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

ECM connector EC300, harness side

Battery

Pin 54

Negative terminal

Is the voltage greater than 10 volts?

-> Yes

Recheck the DTCs.

-> No

REPAIR the battery power supply circuit. This circuit includes fuse 17 of the front power distribution

box. For additional information, refer to the wiring diagrams. CLEAR the DTC and test the system for

normal operation.

PINPOINT TEST G531330p22 :
ACCELERATOR PEDAL POSITION
(APP) SENSOR CIRCUIT 1

G531330t86 : CHECK THE APP SENSOR SUPPLY VOLTAGE AT THE SENSOR

1. Disconnect the APP sensor electrical connector, CR14. 2. Key on, engine off. 3. Measure the

voltage between:

APP sensor connector CR14, harness side

Battery

Pin 02

Negative terminal

Is the voltage less than 4 volts?

-> Yes

REPAIR the 5 volt supply circuit between the APP sensor and the ECM. For additional information,

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

-> No

GO to Pinpoint Test G531330t163.

G531330t163 : CHECK THE APP SENSOR SUPPLY CIRCUIT FOR SHORT
CIRCUIT TO POWER

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

APP sensor connector CR14, harness side

Battery

Pin 02

Positive terminal

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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 G531330t85.

G531330t85 : CHECK THE APP SENSOR SENSING CIRCUIT 1 FOR SHORT
CIRCUIT TO GROUND

1. Measure the resistance between:

APP sensor connector CR14, 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 G531330t84.

G531330t84 : CHECK THE APP SENSOR SENSING CIRCUIT 1 FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

APP sensor connector CR14, 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 G531330t83.

G531330t83 : CHECK THE APP SENSOR SENSING CIRCUIT 1 FOR HIGH
RESISTANCE

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

APP sensor connector CR14, harness side ECM connector EC300, harness side

Pin 01

Pin 24

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 G531330t164.

G531330t164 : CHECK THE APP SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

APP sensor connector CR14, harness side ECM connector EC300, harness side

Pin 06

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 APP sensor.

Accelerator Pedal (19.20.01) CLEAR the DTC and test the system for normal operation.

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