Jaguar XJ (X350). Service 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.
www.
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