Land Rover Discovery: Electronic Engine Controls
- Ingenium i4 2.0l Diesel
Post Selective
Catalyst Reduction
Nox Sensor (G1942280)
/ Removal and Installation
SPECIAL TOOL(S)
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REMOVAL
WARNING:
Observe due care when working near a hot exhaust system.
CAUTIONS:
- The post selective catalyst reduction NOx sensor and module are a
single component and cannot be serviced separately. Do not
attempt to disconnect the harness from the module, or damage to
the components will occur.
- Removal steps in this procedure contains installation details.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
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Torque: 25 Nm
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Torque: 5 Nm
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CAUTION:
Make sure that the mating face is clean and free of foreign
material.
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Special Tool(s): 310-121
Torque:
Vehicles without diesel particulate filter 48 Nm
Vehicles with diesel particulate filter - without diesel exhaust
fluid 48 Nm
Vehicles with diesel particulate filter - with diesel exhaust
fluid 60 Nm
INSTALLATION
CAUTIONS:
- Make sure the anti-seize compound does not contact the
HO2S tip.
- If accidentally dropped or knocked install a new sensor.
NOTE:
If the original sensor is to be installed, apply lubricant
meeting specification ESE-M12A4-A to the thread of the
sensor.
To install, reverse the removal procedure.
Electronic Engine Controls
- Ingenium i4 2.0l Diesel
pre DPF Exhaust
Gas Temperature
Sensor (G1999840)
/ Removal and Installation
REMOVAL
WARNING:
Observe due care when working near a hot exhaust system.
NOTES:
- Removal steps in this procedure may contain installation details.
- Some variation in the illustrations may occur, but the essential
information is always correct.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
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CAUTION:
Before disconnecting or removing the components, make
sure the area around the joint faces and connections are
clean. Plug open connections to prevent contamination.
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Torque: 35 Nm
INSTALLATION
CAUTIONS:
- If accidentally dropped or knocked install a new sensor.
- Make sure the anti-seize compound is applied only to the
thread and does not contact the sensor body.
NOTE:
If the original sensor is to be installed, apply lubricant
meeting specification ESE-M12A4-A to the thread of the
sensor.
To install, reverse the removal procedure.
READ NEXT:
COMPONENT LOCATION - SHEET 1 OF 5
Clutch pedal position sensor
Accelerator Pedal Position (APP) sensor
Clutch Bottom of Travel (BOT) switch
Brake pedal switch
Transmission Control Switch (TCS)
ENGINE CONTROL MODULE (ECM)
The ECM is located behind the secondary bulkhead panel in the centerline
of the vehicle. The ECM is attached to a bracket with four screws which is
secured to the bulkhea
The CKP sensor is located at the front left side of the engine. The sensor is
located in a hole in the lower timing chain cover and is secured with a screw.
The sensor receives a 5V reference volta
SEE MORE:
REMOVAL
NOTE:
Removal steps in this procedure may contain installation details.
Refer to: Engine Cover - INGENIUM I4 2.0L Diesel (501-05 Interior
Trim and Ornamentation, Removal and Installation).
Torque:
Clamp 3.5 Nm
Bolt 8 Nm
NOTE:
Remove and discard the O-ring seal.
Torque: 12 Nm
Torque:
REMOVAL
CAUTION:
Do not allow the side air curtain module to twist. Failure to follow
this
instruction may result in damage to the component.
NOTES:
Removal steps in this procedure may contain installation details.
Right illustration shown, left is similar.
All vehicles
Disconnect the battery g