Jaguar XJ (X350). Manual — part 877

EFT sensor connector IL09, 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 G531330t155.

G531330t155 : CHECK THE EFT SENSOR SENSING CIRCUIT FOR HIGH
RESISTANCE

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

EFT sensor connector IL09, harness side ECM connector PI300, harness side

Pin 02

Pin 46

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 G531330t126.

G531330t126 : CHECK THE EFT SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

EFT sensor connector IL09, harness side ECM connector PI300, harness side

Pin 01

Pin 15

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 EFT sensor.

Fuel Temperature Sensor (18.30.99) CLEAR the DTC and test the system for normal operation.

PINPOINT TEST G531330p35 : AIR
CONDITIONING (A/C) PRESSURE
SENSOR CIRCUIT

G531330t146 : CHECK THE A/C PRESSURE SENSOR POWER SUPPLY CIRCUIT
VOLTAGE

1. Disconnect the A/C pressure sensor electrical connector, EC11. 2. Key on, engine off. 3. Measure

the voltage between:

A/C pressure sensor connector EC11, harness side

Battery

Pin 03

Negative terminal

Is the voltage less than 4 volts?

-> Yes

REPAIR the 5 volt supply circuit between the A/C pressure 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 G531330t161.

G531330t161 : CHECK THE A/C PRESSURE SENSOR POWER SUPPLY CIRCUIT
FOR SHORT CIRCUIT TO POWER

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

A/C pressure sensor connector EC11, harness side

Battery

Pin 03

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 G531330t160.

G531330t160 : CHECK THE A/C PRESSURE SENSOR SENSING CIRCUIT FOR
SHORT CIRCUIT TO GROUND

1. Measure the resistance between:

A/C pressure sensor connector EC11, harness side

Battery

Pin 02

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 G531330t159.

G531330t159 : CHECK THE A/C PRESSURE SENSOR SENSING CIRCUIT FOR
SHORT CIRCUIT TO POWER

1. Measure the resistance between:

A/C pressure sensor connector EC11, 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 G531330t158.

G531330t158 : CHECK THE A/C PRESSURE SENSOR SENSING CIRCUIT FOR
HIGH RESISTANCE

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

A/C pressure sensor connector EC11, harness side ECM connector EC300, harness side

Pin 02

Pin 12

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 G531330t162.

G531330t162 : CHECK THE A/C PRESSURE SENSOR GROUND CIRCUIT FOR
HIGH RESISTANCE

1. Measure the resistance between:

A/C pressure sensor connector EC11, harness side ECM connector EC300, harness side

Pin 01

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 A/C pressure sensor.

Pressure Cutoff Switch - 4.2L NA V8 - AJV8/4.2L SC V8 - AJV8/3.0L NA V6 - AJ27/3.5L NA V8 - AJV8

(82.10.32) CLEAR the DTC and test the system for normal operation.

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