Jaguar XJ (X350). Manual — part 1015

Accelerator pedal position sensor 2 - return 06

Accelerator pedal position sensor 1 - signal

04

Accelerator pedal position sensor 1 - power 05

Accelerator pedal position sensor 1 - return 03

2.

Circuit

Pin

Accelerator pedal position sensor 2 - signal

C2

Accelerator pedal position sensor 2 - power D2

Accelerator pedal position sensor 2 - return B2

Accelerator pedal position sensor 1 - signal

D1

Accelerator pedal position sensor 1 - power E1

Accelerator pedal position sensor 1 - return C1

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

position sensor 1 (voltage) PID using the Jaguar approved diagnostic system or a scan tool.

Is the voltage between 0 - 1 volts?

-> Yes

GO to Pinpoint Test G549822t199.

-> No

GO to Pinpoint Test G549822t202.

G549822t199 : CHECK THE APP2 VALUE, WITH THE ACCELERATOR PEDAL
RELEASED

1. Make sure the accelerator pedal is released. 2. 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 G549822t200.

-> No

GO to Pinpoint Test G549822t222.

G549822t200 : CHECK THE APP1 VALUE, WITH THE ACCELERATOR FULLY
DEPRESSED

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

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

Is the voltage between 2.2 - 2.7 volts?

-> Yes

GO to Pinpoint Test G549822t201.

-> No

GO to Pinpoint Test G549822t202.

G549822t201 : 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 G549822t222.

www.

G549822t202 : CHECK THE APP1 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 03

Negative terminal

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test G549822t203.

-> No

GO to Pinpoint Test G549822t220.

G549822t203 : CHECK FOR POWER TO THE APP1 SENSOR

1. Measure the voltage between:

CR14, harness side

Battery

Pin 05

Negative terminal

Is the voltage between 4.8 - 5.2 volts?

-> Yes

GO to Pinpoint Test G549822t204.

-> No

GO to Pinpoint Test G549822t212.

G549822t204 : CHECK THE APP1 SIGNAL CIRCUIT FOR SHORT CIRCUIT TO
GROUND

1. Measure the resistance between:

CR14, harness side

Battery

Pin 04

Negative terminal

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G549822t205.

-> No

GO to Pinpoint Test G549822t208.

G549822t205 : CHECK THE APP1 SIGNAL CIRCUIT FOR SHORT CIRCUIT TO
POWER

1. Measure the resistance between:

CR14, harness side

Battery

Pin 04

Positive terminal

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test G549822t206.

-> No

GO to Pinpoint Test G549822t210.

G549822t206 : CHECK THE APP1 SIGNAL AND POWER CIRCUITS FOR SHORT
CIRCUIT TO EACH OTHER

1. Measure the resistance between:

CR14, harness side CR14, harness side

Pin 04

Pin 05

Is the resistance greater than 100 Kohms?

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