Jaguar X-Type Sedan and Estate (Wagon). Manual - part 325

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normal operation.

H3: CHECK THE OIL TEMPERATURE SENSOR GROUND CIRCUIT FOR SHORT TO BATTERY

Connect ECM electrical connector, EN16.
Turn the ignition switch to the ON position.
Measure the voltage between the oil temperature sensor electrical connector EN25, pin 2 (BG) and GROUND.

Is the voltage greater than 1 volt?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to H4

H4: CHECK THE OIL TEMPERATURE SENSOR CIRCUIT FOR A SHORT TO GROUND

Turn the ignition switch to the OFF position.
Disconnect ECM electrical connector, EN16.
Measure the resistance between the oil temperature sensor electrical connector EN25, pin 1 (Y) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short to GROUND. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the
system for normal operation.

GO to H5

H5: CHECK THE OIL TEMPERATURE SENSOR CIRCUIT FOR A SHORT TO BATTERY

Connect ECM electrical connector, EN16.
Turn the ignition switch to the ON position.
Measure the voltage between the oil temperature sensor electrical connector EN25, pin 1 (Y) and GROUND.

Is the voltage greater than 10 volts?
Yes

REPAIR the short to battery. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the
system for normal operation.

INSTALL a new oil temperature sensor.
REFER to:

Oil Temperature Sensor

(303-14A Electronic Engine Controls - 2.0L NA V6 - AJV6/2.5L NA V6 - AJV6/3.0L

NA V6 - AJ27, Removal and Installation).
CLEAR the DTCs. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

PINPOINT TEST I : DTC P0131, P0132, P0133, P1646. RIGHT-HAND BANK HO2S

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

I1: CHECK THE CONSTANT CIRCUIT OF THE RIGHT-HAND BANK HO2S FOR OPEN CIRCUIT

Disconnect the HO2S electrical connector EN37.
Disconnect the ECM electrical connector, EN16.
Measure the resistance between EN16, pin 84 (P) and EN37, pin 4 (P).

Is the resistance less than 5 ohms?
Yes

GO to I2

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

I2: CHECK THE CONSTANT CIRCUIT OF THE RIGHT-HAND BANK HO2S FOR SHORT TO GROUND

Measure the resistance between EN16, pin 84 (P) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to I3

I3: CHECK THE CONSTANT CIRCUIT OF THE RIGHT-HAND BANK HO2S FOR SHORT TO BATTERY

Connect the ECM electrical connector EN16.
Turn the ignition switch to the ON position.
Measure the voltage between EN37, pin 4 (P) and GROUND.

Is the voltage greater than 5 volts?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to I4

I4: CHECK THE VARIABLE CIRCUIT OF THE RIGHT-HAND BANK HO2S FOR OPEN CIRCUIT

Disconnect the ECM electrical connector, EN16.
Measure the resistance between EN16, pin 83 (Y) and EN37, pin 3 (Y).

Is the resistance less than 5 ohms?
Yes

GO to I5

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

I5: CHECK THE VARIABLE CIRCUIT OF THE RIGHT-HAND BANK HO2S FOR SHORT TO GROUND

Measure the resistance between EN16, pin 83 (Y) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to I6

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I6: CHECK THE VARIABLE CIRCUIT OF THE RIGHT-HAND BANK HO2S FOR SHORT TO BATTERY

Connect the ECM electrical connector EN16.
Turn the ignition switch to the ON position.
Measure the voltage between EN37, pin 3 (Y) and GROUND.

Is the voltage greater than 5 volts?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

INSTALL a new HO2S.
REFER to:

Heated Oxygen Sensor (HO2S) RH

(303-14A Electronic Engine Controls - 2.0L NA V6 - AJV6/2.5L NA V6 -

AJV6/3.0L NA V6 - AJ27, Removal and Installation).
CLEAR the DTCs. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

PINPOINT TEST J : DTC P0037, P0038, P0137, P0138, P0140. RIGHT-HAND BANK CATALYST MONITOR

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

J1: CHECK THE POWER SUPPLY CIRCUIT TO THE RIGHT-HAND BANK CATALYST MONITOR HEATER

Turn the ignition switch to the OFF position.
Disconnect the catalyst monitor sensor electrical connector EN14.
Turn the ignition switch to the ON position.
Measure the voltage between the catalyst monitor sensor electrical connector EN14, pin 2 (WG) and GROUND.

Is the voltage less than 10 volts?
Yes

GO to J6

GO to J2

J2: CHECK CONTINUITY OF THE RIGHT-HAND BANK CATALYST MONITOR SENSOR GROUND CIRCUIT

Turn the ignition switch to the OFF position.
Disconnect the ECM electrical connector EN16.
Measure the resistance between the catalyst monitor sensor electrical connector EN14, pin 3 (W) and the ECM
electrical connector EN16, pin 130.

Is the resistance less than 5 ohms?
Yes

GO to J3

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

J3: CHECK CONTINUITY OF THE POWER SUPPLY WIRE TO THE RIGHT-HAND BANK CATALYST MONITOR SENSOR

Measure the resistance between the RH bank catalyst monitor sensor electrical connector EN14, pin 4 (N) and the
ECM electrical connector EN16, pin 128 (N).

Is the resistance less than 5 ohms?
Yes

GO to J4

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

J4: CHECK THE RIGHT-HAND BANK CATALYST MONITOR SENSOR POWER SUPPLY WIRE FOR A SHORT TO GROUND

Measure the resistance between the catalyst monitor sensor electrical connector EN14, pin 4 (N) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short to ground. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the
system for normal operation.

GO to J5

J5: CHECK THE RIGHT-HAND BANK CATALYST MONITOR SENSOR POWER SUPPLY WIRE FOR A SHORT TO BATTERY

Measure the voltage between the catalyst monitor sensor electrical connector EN14, pin 4 (N) and GROUND.

Is the voltage greater than 1 volt?
Yes

REPAIR the short to battery. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the
system for normal operation.

INSTALL a new RH bank catalyst monitor sensor. For additional information,
REFER to:

Catalyst Monitor Sensor RH

(303-14A Electronic Engine Controls - 2.0L NA V6 - AJV6/2.5L NA V6 -

AJV6/3.0L NA V6 - AJ27, Removal and Installation).
CLEAR the DTCs. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ECM. For additional
information,
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

J6: CHECK THE RIGHT-HAND BANK CATALYST MONITOR SENSOR POWER SUPPLY CIRCUIT

Measure the voltage between the catalyst monitor sensor electrical connector EN14 pin 2 (W G) and GROUND.

Is the voltage less than 10 volts?
Yes

GO to J8

GO to J7

J7: CHECK CONTINUITY OF THE RIGHT-HAND BANK CATALYST MONITOR SENSOR HEATER GROUND CIRCUIT

Turn the ignition switch to the OFF position.
Disconnect the ECM electrical connector EN16.
Measure the resistance between the catalyst monitor sensor electrical connector EN14, pin 1 (U) and the ECM
electrical connector EN16, pin 92 (U).

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Is the resistance less than 5 ohms?
Yes

INSTALL a new ECM. For additional information,
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing a ECM, contact Dealer technical support.

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

J8: CHECK FUSE 38 OF THE ENGINE COMPARTMENT FUSE BOX

Check the fuse.

Is the fuse OK?
Yes

GO to J10

GO to J9

J9: CHECK FUSE 38 OF THE ENGINE COMPARTMENT FUSE BOX FOR A SHORT TO GROUND

Measure the resistance between electrical connector JB34, pin 97 of the engine compartment fuse box and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR short to ground between the engine compartment fuse box and the right-hand bank HO2S. CLEAR the DTC.
TEST the system for normal operation.

INSTALL a new fuse. Check the circuit for cause of fuse failure. CLEAR the DTC. TEST the system for normal
operation.

J10: CHECK THE POWER SUPPLY TO FUSE 38 IN THE ENGINE COMPARTMENT FUSE BOX

Measure the voltage between fuse 38 electrical connector JB34 pin 97 and GROUND.

Is the voltage less than 10 volts?
Yes

Repair the circuit from the ECM control relay to the engine compartment fuse box. CLEAR the DTC. TEST the system
for normal operation.

Repair the circuit between the engine compartment fuse box and the HO2S. For additional information, refer to wiring
diagrams. CLEAR the DTC. TEST the system for normal operation.

PINPOINT TEST K : P0151, P0152, P0153, P1647. LEFT-HAND BANK HO2S

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

K1: CHECK THE CONSTANT CIRCUIT OF THE LEFT-HAND BANK HO2S FOR OPEN CIRCUIT

Disconnect the HO2S electrical connector EN32.
Disconnect the ECM electrical connector EN16.
Measure the resistance between EN16, pin 108 (P) and EN32, pin 4 (P)

Is the resistance less than 5 ohms?
Yes

GO to K2

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

K2: CHECK THE CONSTANT CIRCUIT OF THE LEFT-HAND BANK HO2S FOR SHORT TO GROUND

Measure the resistance between EN16, pin 108 (P) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to K3

K3: CHECK THE CONSTANT CIRCUIT OF THE LEFT-HAND BANK HO2S FOR SHORT TO BATTERY

Connect the ECM electrical connector EN16.
Turn the ignition switch to the ON position.
Measure the voltage between EN32, pin 4 (P) and GROUND.

Is the voltage greater than 5 volts?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to K4

K4: CHECK THE VARIABLE CIRCUIT OF THE LEFT-HAND BANK HO2S FOR OPEN CIRCUIT

Disconnect the HO2S electrical connector EN32.
Disconnect the ECM electrical connector EN16.
Measure the resistance between EN16, pin 107 (Y) and EN32, pin 3 (Y)

Is the resistance less than 5 ohms?
Yes

GO to K5

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

K5: CHECK THE VARIABLE CIRCUIT OF THE LEFT-HAND BANK HO2S FOR SHORT TO GROUND

Measure the resistance between EN16, pin 107 (Y) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

GO to K6

K6: CHECK THE VARIABLE CIRCUIT OF THE LEFT-HAND BANK HO2S FOR SHORT TO BATTERY

Connect the ECM electrical connector EN16.
Turn the ignition switch to the ON position.

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Measure the voltage between EN32 pin 3 (Y) and GROUND.

Is the voltage greater than 5 volts?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system
for normal operation.

INSTALL a new left-hand HO2S.
REFER to:

Heated Oxygen Sensor (HO2S) LH

(303-14A Electronic Engine Controls - 2.0L NA V6 - AJV6/2.5L NA V6 -

AJV6/3.0L NA V6 - AJ27, Removal and Installation).
CLEAR the DTCs. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ECM.
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW/150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

PINPOINT TEST L : DTC P0057, P0058, P0157, P0158, P0160. LEFT-HAND BANK CATALYST MONITOR

TEST

CONDITIONS

DETAILS/RESULTS/ACTIONS

L1: CHECK THE POWER SUPPLY CIRCUIT TO THE LEFT-HAND BANK CATALYST MONITOR HEATER

Turn the ignition switch to the OFF position.
Disconnect the catalyst monitor sensor electrical connector EN9.
Turn the ignition switch to the ON position.
Measure the voltage between the catalyst monitor sensor electrical connector EN9 pin 2 (W R) and GROUND.

Is the voltage less than 10 volts?
Yes

GO to L6

GO to L2

L2: CHECK CONTINUITY OF THE LEFT-HAND BANK CATALYST MONITOR SENSOR GROUND CIRCUIT

Is the resistance less than 5 ohms?
Yes

GO to L3

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

L3: CHECK CONTINUITY OF THE POWER SUPPLY WIRE TO THE LEFT-HAND BANK CATALYST MONITOR SENSOR

Measure the resistance between the catalyst monitor sensor electrical connector EN9 pin 4 (N) and the ECM electrical
connector EN16 pin 129 (N).

Is the resistance less than 5 ohms?
Yes

GO to L4

REPAIR the circuit. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the system for
normal operation.

L4: CHECK THE LEFT-HAND BANK CATALYST MONITOR SENSOR POWER SUPPLY WIRE FOR A SHORT TO GROUND

Measure the resistance between the catalyst monitor sensor electrical connector EN9 pin 4 (N) and GROUND.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short to ground. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the
system for normal operation.

GO to L5

L5: CHECK THE LEFT-HAND BANK CATALYST MONITOR SENSOR POWER SUPPLY WIRE FOR A SHORT TO BATTERY

Measure the voltage between the catalyst monitor sensor electrical connector EN9 pin 4 (N) and GROUND.

Is the voltage greater than 1 volt?
Yes

REPAIR the short to battery. For additional information, refer to the wiring diagrams. CLEAR the DTCs. TEST the
system for normal operation.

INSTALL a new left-hand bank catalyst monitor sensor. For additional information,
REFER to:

Catalyst Monitor Sensor LH

(303-14A Electronic Engine Controls - 2.0L NA V6 - AJV6/2.5L NA V6 - AJV6/3.0L

NA V6 - AJ27, Removal and Installation).
CLEAR the DTCs. TEST the system for normal operation. If the DTC is repeated, INSTALL a new ECM. For additional
information,
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW /150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

L6: CHECK THE LEFT-HAND BANK CATALYST MONITOR SENSOR POWER SUPPLY CIRCUIT

Measure the voltage between the catalyst monitor sensor electrical connector EN9 pin 2 (W R) and GROUND.

Is the voltage less than 10 volts?
Yes

GO to L8

GO to L7

L7: CHECK CONTINUITY OF THE LEFT-HAND BANK CATALYST MONITOR SENSOR HEATER GROUND CIRCUIT

Turn the ignition switch to the OFF position.
Disconnect the ECM electrical connector EN16.
Measure the resistance between the catalyst monitor sensor electrical connector EN9 pin 1 (UY) and the ECM
electrical connector EN16 pin 93 (UY).

Is the resistance less than 5 ohms?
Yes

INSTALL a new ECM. For additional information,
REFER to:

Engine Control Module (ECM)

(303-14B Electronic Engine Controls - 2.0L Duratorq-TDCi/2.2L Duratorq-TDCi

(110kW /150PS) - Puma, Removal and Installation).
Before replacing an ECM, contact dealer technical support.

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