Jaguar XJ (X350). Manual — part 997

CR14, harness side CR14, harness side

Pin 05

Pin 03

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G549822t102.

-> No

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

the system for normal operation.

G549822t102 : CHECK WHETHER THE SHORT CIRCUIT TO GROUND IS IN
THE HARNESS OR THE MODULE

1. Measure the resistance between:

CR14, harness side

Battery

Pin 05

Negative terminal

Is the resistance greater than 100 Kohms?

-> Yes

Suspect: - ECM

-> No

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

the system for normal operation.

G549822t103 : CHECK WHETHER THE SHORT CIRCUIT TO POWER IS IN THE
HARNESS OR THE MODULE

1. Key off. 2. Disconnect the ECM connector, EC66. 3. Key on, engine off. 4. Measure the resistance

between:

CR14, harness side

Battery

Pin 05

Positive terminal

Is the resistance greater than 100 Kohms?

-> Yes

Suspect: - ECM

-> No

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

the system for normal operation.

G549822t104 : CHECK THE APP1 SENSOR RETURN CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

CR14, harness side

Battery

Pin 03

Positive terminal

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G549822t99.

-> No

GO to Pinpoint Test G549822t105.

G549822t105 : CHECK WHETHER THE SHORT CIRCUIT TO POWER IS IN THE
HARNESS OR THE MODULE

1. Key off. 2. Disconnect the ECM connector, EC66. 3. Key on, engine off. 4. Measure the resistance

between:

CR14, harness side

Battery

Pin 03

Positive terminal

Is the resistance greater than 100 Kohms?

-> Yes

Suspect: - ECM

-> No

www.

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

the system for normal operation.

PINPOINT TEST G549822p5 :
ACCELERATOR PEDAL POSITION
(APP) SENSOR 2

G549822t48 : CHECK THE APP2 VALUE, WITH THE ACCELERATOR PEDAL
RELEASED

1.

Circuit

Pin

Accelerator pedal position sensor 2 - signal

01

Accelerator pedal position sensor 2 - power 02

Accelerator pedal position sensor 2 - return 06

2.

Circuit

Pin

Accelerator pedal position sensor 2 - signal

C2

Accelerator pedal position sensor 2 - power D2

Accelerator pedal position sensor 2 - return B2

3. Key on, engine off. 4. Make sure the accelerator pedal is released. 5. Access the ECM-Pedal

position sensor 2 (voltage) PID using the Jaguar approved diagnostic system or a scan tool.

Is the voltage between 3 - 5 volts?

-> Yes

GO to Pinpoint Test G549822t106.

-> No

GO to Pinpoint Test G549822t107.

G549822t106 : CHECK THE APP2 VALUE, WITH THE ACCELERATOR FULLY
DEPRESSED

1. Make sure the accelerator pedal is fully depressed. 2. Access the ECM-Pedal position sensor 2

(voltage) PID using the Jaguar approved diagnostic system or a scan tool.

Is the voltage between 2.2 - 2.7 volts?

-> Yes

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

physical damage to the harness.

-> No

GO to Pinpoint Test G549822t107.

G549822t107 : CHECK THE APP2 SENSOR RETURN CIRCUIT FOR HIGH
RESISTANCE

1. Key off. 2. Disconnect the APP sensor connector, CR14. 3. Key on, engine off. 4. Measure the

resistance between:

CR14, harness side

Battery

Pin 06

Negative terminal

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test G549822t108.

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