Jaguar XJ (X350). Service manual — part 822
C36, component side C36, component side
Pin 01
Pin 02
Is the resistance between 0 and 5.5 ohms?
-> Yes
An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other
physical damage to the harness. If no fault is found in the circuit, suspect the following
component(s): - Port de-activation solenoid connector - Port de-activation solenoid - ECM connector
- ECM
-> No
INSTALL a new port de-activation solenoid. Clear any DTCs, test the system for normal operation.
G552277t8 : CHECK WHETHER THE SHORT CIRCUIT TO GROUND IS IN THE
HARNESS OR THE MODULE
1. Key off. 2. Disconnect the ECM connector, C100. 3. Key on, engine off. 4. Measure the resistance
between:
C36, harness side
Battery
Pin 02
Negative terminal
Is the resistance greater than 100 Kohms?
-> Yes
An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other
physical damage to the harness. If no fault is found in the circuit, suspect the following
component(s): - ECM
-> No
REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test
the system for normal operation.
G552277t9 : CHECK WHETHER THE SHORT CIRCUIT TO POWER IS IN THE
HARNESS OR THE MODULE
1. Key off. 2. Disconnect the ECM connector, C100. 3. Key on, engine off. 4. Measure the resistance
between:
C36, harness side
Battery
Pin 02
Positive terminal
Is the resistance greater than 100 Kohms?
-> Yes
An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other
physical damage to the harness. If no fault is found in the circuit, suspect the following
component(s): - ECM
-> No
REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test
the system for normal operation.
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Removal and installation
Air Cleaner (19.10.05)
Special Service Tools
Remover/Install, Cooling Hose Clamp
303-397
Removal
1 . Remove the radiator grille opening panel.
For additional information, refer to Radiator Grille Opening Panel (76.10.06)
2 . Detach the mass air flow (MAF) sensor wiring harness.
3 . Disconnect the MAF sensors electrical connectors.
4 . Using the special tool, detach the MAF sensor outlet pipes.
1) Detach the upper MAF sensor outlet pipe.
2) Detach the lower MAF sensor outlet pipe.
5 . Disconnect the port deactivation vacuum hose.
6 . Remove the air cleaner.
Remove the air cleaner retaining bolt.
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