Jaguar XJ (X350). Manual — part 1277

-> Yes

An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other

physical damage to the harness. Refer to the warranty policy and procedures manual if a module is

suspect.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation.

G552802t3 : CHECK THE MONITOR CIRCUIT FOR SHORT CIRCUIT TO
POWER

1. Measure the resistance between:

C073, harness side

Battery

Pin 03

Positive terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test G552802t5.

-> No

GO to Pinpoint Test G552802t4.

G552802t4 : CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR
THE MODULE

1. Key off. 2. Disconnect the ECM connector, C101 3. Key on, engine off. 4. Measure the resistance

between:

C073, harness side

Battery

Pin 03

Negative terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other

physical damage to the harness. Refer to the warranty policy and procedures manual if a module is

suspect.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation.

G552802t5 : CHECK THE MONITOR CIRCUIT FOR HIGH RESISTANCE

1. Key off. 2. Disconnect the ECM connector, C101 3. Key on, engine off. 4. Measure the resistance

between:

C073, harness side C101, harness side

Pin 03

Pin F2

•

Is the resistance less than 10 ohms?

-> Yes

An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other

physical damage to the harness.

-> No

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

DTC, test the system for normal operation.

PINPOINT TEST G552802p2 :
GENERATOR COMMAND CIRCUIT

G552802t6 : CHECK THE COMMAND CIRCUIT FOR SHORT CIRCUIT TO
GROUND

1.

Circuit

Pin

Voltage sense circuit 01

www.

Altcom

02

Altmon

03

2.

Circuit Pin

Altcom H1

3. Key off. 4. Disconnect the generator connector, C073. 5. Key on, engine off. 6. Measure the

resistance between:

C073, harness side

Battery

Pin 02

Negative terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test G552802t8.

-> No

GO to Pinpoint Test G552802t7.

G552802t7 : CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR
THE MODULE

1. Key off. 2. Disconnect the ECM connector, C101. 3. Key on, engine off. 4. Measure the resistance

between:

C073, harness side

Battery

Pin 02

Negative terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other

physical damage to the harness. Refer to the warranty policy and procedures manual if a module is

suspect.

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test

the system for normal operation.

G552802t8 : CHECK THE COMMAND CIRCUIT FOR SHORT CIRCUIT TO
POWER

1. Measure the resistance between:

C073, harness side

Battery

Pin 02

Positive terminal

•

Is the resistance greater than 10 Kohms?

-> Yes

GO to Pinpoint Test G552802t10.

-> No

GO to Pinpoint Test G552802t9.

G552802t9 : CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR
THE MODULE

1. Key off. 2. Disconnect the ECM connector, C101 3. Key on, engine off. 4. Measure the resistance

between:

C073, harness side

Battery

Pin 02

Positive terminal

www.