Jaguar XJ (X350). Manual — part 868

-> No

GO to Pinpoint Test G531330t173.

G531330t173 : CHECK THE CATALYST MONITOR HEATER CONTROL
CIRCUIT FOR SHORT CIRCUIT TO POWER

1. Measure the resistance between:

Catalyst monitor connector PI13, 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 G531330t44.

G531330t44 : CHECK THE CATALYST MONITOR SENSOR HEATER CONTROL
CIRCUIT FOR HIGH RESISTANCE

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

Catalyst monitor connector PI13, harness side ECM connector PI300, harness side

Pin 02

Pin 89

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 catalyst monitor sensor.

Catalyst Monitor Sensor (18.30.66) CLEAR the DTC and test the system for normal operation.

PINPOINT TEST G531330p13 : ENGINE
OIL TEMPERATURE (EOT) SENSOR
CIRCUIT

G531330t47 : CHECK THE EOT SENSOR SENSING CIRCUIT FOR SHORT
CIRCUIT TO GROUND

1. Disconnect the EOT sensor electrical connector, PI24. 2. Measure the resistance between:

EOT sensor connector PI24, 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 G531330t46.

G531330t46 : CHECK THE EOT SENSOR SENSING CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

EOT sensor connector PI24, 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 G531330t45.

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G531330t45 : CHECK THE EOT SENSOR SENSING CIRCUIT FOR HIGH
RESISTANCE

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

EOT sensor connector PI24, harness side ECM connector PI300, harness side

Pin 02

Pin 23

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 G531330t48.

G531330t48 : CHECK THE EOT SENSOR GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between:

EOT sensor connector PI24, harness side ECM connector PI300, harness side

Pin 01

Pin 10

Is the resistance greater than 5 ohms?

-> Yes

REPAIR the high resistance circuit. This circuit includes harness splice, PIS49. For additional

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

-> No

INSTALL a new EOT sensor.

Oil Temperature Sensor (18.31.01) CLEAR the DTC and test the system for normal operation. If the

DTC is repeated, refer to the warranty policy and procedures manual if an ECM is suspect.

PINPOINT TEST G531330p15 : RIGHT-
HAND KNOCK SENSOR (KS) CIRCUIT

G531330t55 : CHECK KS SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND

1. Disconnect the KS electrical connector, PI60. 2. Measure the resistance between:

KS connector PI60, 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 G531330t54.

G531330t54 : CHECK KS SENSING CIRCUIT FOR SHORT TO CIRCUIT TO
POWER

1. Measure the resistance between:

KS connector PI60, 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 G531330t53.

G531330t53 : CHECK KS SENSING CIRCUIT FOR HIGH RESISTANCE

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

KS connector PI60, harness side ECM connector PI300, harness side

Pin 01

Pin 42

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