Jaguar XJ (X350). Manual — part 889

Powertrain Control Module (PCM) Short
Drive Cycle Self-Test

NOTE:

This procedure is an overcheck only. If fault codes are found, interrogation of the relevant
system must be carried out and claimed against.

1. Connect the diagnostic equipment to the vehicle.


2. Follow on screen prompts and check for engine management fault codes.


3. Clear the fault codes following the on screen procedure.


4. Start the engine.

•

Allow the engine to idle for 30 seconds.

•

Raise the engine speed to 1500 rpm and hold for 3 minutes until a temperature of 70ºC

(158 ºF) is achieved.

•

Allow the engine to idle for 30 seconds.

•

Switch off the engine.

5. NOTE:

If fault codes are found, interrogation of the relevant system must be carried out and
claimed against.

Follow on screen prompts and check for engine management fault codes.


6. Disconnect the diagnostic equipment from the vehicle.

Description and operation

Electronic Engine Controls

Vehicles with supercharger

Item

Part Number

Description

1

—

Knock sensor (KS)

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2

—

Intake air temperature (IAT) sensor

3

—

Fuel temperature sensor

4

—

Throttle position sensor

5

—

Manifold absolute pressure (MAP) sensor

6

—

Fuel rail pressure (FRP) sensor

7

—

Camshaft position (CMP) sensor

8

—

Engine coolant temperature (ECT) sensor

9

—

Crankshaft position (CPK) sensor

10

—

Oil temperature sensor

11

—

Oil pressure sensor

Vehicles without supercharger

Item

Part Number

Description

1

—

Throttle position sensor

2

—

Knock sensor (KS)

3

—

Fuel temperature sensor

4

—

Manifold absolute pressure (MAP) sensor

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