300Tdi Discovery
19
FUEL SYSTEM
14
REPAIR
ENGINE CONTROL MODULE (ECM)
Service repair no - 18.30.03
NOTE: The ECM is not a serviceable item,
in the event of failure it must be renewed.
Remove
1. Disconnect battery negative lead.
2. Remove ’A’ post trim pad.
3. Loosen multi-plug screw to ECM.
4. Disconnect multi-plug from ECM.
5. Secure multi-plug and harness aside.
6. Remove retaining nuts from ECM.
7. Manoeuvre ECM from its mounted position.
Refit
8. Refitting is the reverse of removal procedure.
9. Reconnect harness plug. Ensure plug is pushed
firmly into location and retaining clip secures
plug in position.
10. Tighten screw securing multi-plug.
AIRFLOW METER
Service repair no - 18.30.15
NOTE: The air flow meter is not a
serviceable item, in the event of failure it
must be renewed.
Remove
1. Disconnect battery negative lead.
2. Release vacuum tube from EGR vacuum
capsule.
3. Disconnect airflow meter multi-plug.
4. Loosen air cleaner hose to air flow meter
retaining clip.
5. Disconnect hose from airflow meter.
6. Loosen turbo charger hose to airflow meter
retaining clip.
7. Disconnect hose from airflow meter.
8. Remove meter to mounting bracket bolts.
9. Remove airflow meter.
Refit
10. Reverse removal procedure. Ensure multi-plug is
firmly reconnected and hose clamps are
securely tightened to prevent unmetered air
entering the engine.
