Engine Management System (03.14); Maintenance; Engine Temperature Spark Plug Knock Sensor-Renew; Rh Engine Control Module-Renew - Aston Martin V8 Vantage Workshop Manual

Engine (03.00)

Engine Management System (03.14)

Maintenance

Engine Temperature Spark Plug Knock
Sensor-Renew
Repair Operation Time (ROT)
Item
Engine Temperature Spark Plug Knock
Sensor-Renew
Removal
1. Remove inlet manifold (see Workshop Manual
procedure 03.01.BB Gasket - Manifold Assembly -
Intake Upper - Renew).
2. Disconnect multiplug from knock sensor.
3. Remove knock sensor (bolt x1).
Installation
1. Install knock sensor (bolt x1).
2. Connect multiplug from knock sensor.
3. Install inlet manifold (see Workshop Manual procedure
03.01.BB Gasket - Manifold Assembly - Intake Upper -
Renew).

RH Engine Control Module-Renew

Repair Operation Time (ROT)
Item
Engine Control Module-Renew
Removal
1. Disconnect battery.
2. Raise vehicle.
3. Remove RH front wheel arch liner (see Workshop
Manual procedure 01.02.GB Wheel Arch Liner - Front -
RH - Renew).
4. Disconnect RH indicator repeater light unit multiplug.
5. Remove fir tree clips (x4) for harness of repeater and
screen wash system.
6. Remove fir tree clips ECM harness (x2).
7. Remove securing bolts (x3) from cover plate (ECM &
plate will drop down).
8. Disconnect ECM multiplugs (x3).
9. Remove ECM.
Installation
1. Install ECM and connect multiplugs to ECM (through
cover plate).
2. Secure ECM and cover plate with bolts (x3).
3. Re-clip ECM harness.
4. Re-clip repeater light and screen wash system harness.
5. Connect repeater light multiplug.
6. Install wheel arch liner (see Workshop Manual
procedure 01.02.GB Wheel Arch Liner - Front - RH -
Renew).
October 2005
7. Lower vehicle.
8. Connect battery.
9. WDS Operation check (see Workshop Manual
procedure 00.06.AD WDS Operation - Check).
LH Front Lower Heated Exhaust Gas
Oxygen (HEGO) Sensor-Renew
Code
03.14.AB
Repair Operation Time (ROT)
Item
Front Lower Heated Exhaust Gas
Oxygen (HEGO) Sensor-Renew
Removal
1. Raise vehicle on ramp.
2. Remove rear exhaust silencer (see Workshop Manual
procedure 09.00.KA Silencer and Bypass Valve
Assembly - Remove for Access and Refit).
3. Disconnect multiplugs (x2), HEGO sensors.
4. Secure sufficient lengths of string to HEGO sensor
multiplugs for assembly purposes.
5. Loosen LH and RH clamp nuts, catalysts to centre pipes.
6. With assistance, manoeuvre exhaust centre pipe
assembly rearwards to release from catalysts.
7. Remove nuts (x3), catalyst to exhaust manifold.
8. Release and support weight of LH catalyst from exhaust
Code
manifold.
RH 03.14.BB
9. Manoeuvre HEGO sensor leads and remove cable tie.
Release HEGO sensor leads from behind heat shield.
Remove string from HEGO multiplugs.
10. Remove catalyst assembly.
11. Remove and discard gasket.
12. Remove HEGO sensors from catalyst.
Installation
1. Clean catalyst, mating joint faces and HEGO sensors.
2. Install and tighten HEGO sensor to catalyst.
3. Apply proprietary exhaust sealant around clamp joints.
4. Install new gasket to exhaust manifold.
5. Position catalyst, secure string (x2) to HEGO multiplugs,
feed sensor leads behind heat shield. Install catalyst to
exhaust manifold.
6. Instal land tighten nuts (x3), catalyst to exhaust manifold.
7. Align centre pipe assembly to catalyst, tighten clamp
nuts.
8. Remove string (x2), connect multiplugs (x2), HEGO
sensors.
9. Install rear exhaust silencer (see Workshop Manual
procedure 09.00.KA Silencer and Bypass Valve
Assembly - Remove for Access & Refit).
10. Lower vehicle on ramp.
Workshop Manual

Engine Management System (03.14)

Engine (03.00)
Code
LH 03.14.CB
3-15-1