Jaguar X-Type Sedan and Estate (Wagon). Manual - part 680

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WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

or replacing any air bag SRS components. To deplete the backup power supply energy, disconnect the battery ground cable and wait for one
minute. Failure to follow this instruction may result in personal injury.

Disconnect the battery negative terminal.
W ait one minute for the backup power supply to deplete.
Disconnect the rear driver side impact sensor connector, CA140.
Reconnect the battery negative terminal.
Turn the ignition switch to the ON position.
Measure the voltage between CA140, pin 02 (W) and GROUND.

Is the voltage less than 4 volts?
Yes

GO to I2

GO to I3

I2: CHECK THE REAR DRIVER SIDE IMPACT SENSOR SUPPLY CIRCUIT FOR OPEN CIRCUIT

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the RCM connector,

For vehicles with 2.0L engine;

CA165.

For vehicles with 2.5/3.0L engine;

CA450.

Measure the resistance between CA140, pin 02 (W) and the RCM connector, pin 13 (W ).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test
the system for normal operation.

GO to I3

I3: CHECK THE REAR DRIVER SIDE IMPACT SENSOR RETURN CIRCUIT FOR OPEN CIRCUIT

Measure the resistance between CA140, pin 01 (N) and the RCM connector, pin 14 (N).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test
the system for normal operation.

INSTALL a new rear driver side impact sensor,
REFER to:

Side Impact Sensor

(501-20B Supplemental Restraint System, Removal and Installation).

Clear the DTC, test the system for normal operation. If the fault persists, install a new RCM.
REFER to:

Restraints Control Module (RCM)

(501-20B Supplemental Restraint System, Removal and

Installation).
Clear the DTC, test the system for normal operation.

PINPOINT TEST J : B2296 (FLASH CODE 46): REAR PASSENGER SIDE IMPACT SENSOR CIRCUIT STATUS FAULT

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

J1: CHECK THE POWER SUPPLY TO THE REAR PASSENGER SIDE IMPACT SENSOR

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Disconnect the battery negative terminal.
W ait one minute for the backup power supply to deplete.
Disconnect the rear passenger side impact sensor connector, CA131.
Reconnect the battery negative terminal.
Turn the ignition switch to the ON position.
Measure the voltage between CA131, pin 02 (W) and GROUND.

Is the voltage less than 4 volts?
Yes

GO to J2

GO to J3

J2: CHECK THE REAR PASSENGER SIDE IMPACT SENSOR SUPPLY CIRCUIT FOR OPEN CIRCUIT

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the RCM connector,

For vehicles with 2.0L engine;

CA165.

For vehicles with 2.5/3.0L engine;

CA450.

PINPOINT TEST K : B2988, B2989, B2990, B2991 (FLASH CODE 28): KNEE BOLSTER CIRCUIT OPEN/SHORT
CIRCUIT

WARNING: DO NOT attempt to measure the resistance across the airbag module. Failure to follow this instruction may result in

personal injury.

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

K1: CHECK THE KNEE BOLSTER AIRBAG CIRCUIT STATUS WITH A SIMULATOR IN PLACE

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WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Disconnect the battery negative terminal.
Wait one minute for the backup power supply to deplete.
Disconnect the knee bolster connector, CA420.
Connect the simulator in place of the airbag module.
Reconnect the battery negative terminal.
Clear the DTC.
Turn the ignition switch to the ON position.
Recheck the DTCs and flash codes.

Are there any DTCs and/or flash codes set with the simulators in place?
Yes

GO to K2

INSTALL a new knee bolster airbag module,
REFER to:

Driver Lower Air Bag Module

(501-20B Supplemental Restraint System, Removal and Installation).

K2: CHECK THE KNEE BOLSTER AIRBAG MODULE SUPPLY CIRCUIT FOR OPEN CIRCUIT

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Disconnect the battery negative terminal.
Wait one minute for the backup power supply to deplete.
Disconnect the simulator from the knee bolster connector, CA420.
Disconnect the RCM connector,

For vehicles with 2.0L engine;

CA165.

For vehicles with 2.5/3.0L engine;

CA450.

Measure the resistance between CA420, pin 01 (RW ) and the RCM connector, pin 07 (RW).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC, test
the system for normal operation.

GO to K3

K3: CHECK THE KNEE BOLSTER AIRBAG MODULE SUPPLY CIRCUIT FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between CA420, pin 01 (RW ) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

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

GO to K4

K4: CHECK THE KNEE BOLSTER AIRBAG MODULE SUPPLY CIRCUIT FOR SHORT CIRCUIT TO GROUND

Measure the resistance between CA420, pin 01 (RW ) 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 DTC, test the
system for normal operation.

INSTALL a new knee bolster airbag module,
REFER to:

Driver Lower Air Bag Module

(501-20B Supplemental Restraint System, Removal and Installation).

PINPOINT TEST L : C1947 (FLASH CODE 49): DRIVER SEAT TRACK POSITION SENSOR CIRCUIT FAULT

• NOTE: Check the seat track position sensor for correct fitment before beginning pinpoint tests.

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

L1: CHECK THE DRIVER SEAT TRACK POSITION SENSOR SUPPLY CIRCUIT FOR HIGH RESISTANCE

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Disconnect the battery negative terminal.
W ait one minute for the backup power supply to deplete.
Disconnect the driver seat track sensor connector, CA65.
Disconnect the RCM connector,

For vehicles with 2.0L engine;

CA165.

For vehicles with 2.5/3.0L engine;

CA450.

Measure the resistance between CA65, pin 20 (U) and the RCM connector, pin 23 (U).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test
the system for normal operation.

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GO to L2

L2: CHECK THE DRIVER SEAT TRACK POSITION SENSOR SUPPLY CIRCUIT FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between CA65, pin 20 (U) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test the
system for normal operation.

GO to L3

L3: CHECK THE DRIVER SEAT TRACK POSITION SENSOR SUPPLY CIRCUIT FOR SHORT CIRCUIT TO GROUND

Measure the resistance between CA65, pin 20 (U) 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 DTC, test the
system for normal operation.

GO to L4

L4: CHECK THE DRIVER SEAT TRACK POSITION SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE

Measure the resistance between CA65, pin 19 (B) and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test
the system for normal operation.

GO to L5

L5: CHECK THE DRIVER SEAT TRACK POSITION SENSOR GROUND CIRCUIT FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between CA65, pin 19 (B) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test the
system for normal operation.

INSTALL a new driver seat track position sensor.
REFER to:

Seat Position Sensor

(501-20B Supplemental Restraint System, Removal and Installation).

Clear the DTC, test the system for normal operation. If the DTC is repeated, install a new RCM,
REFER to:

Restraints Control Module (RCM)

(501-20B Supplemental Restraint System, Removal and

Installation).

PINPOINT TEST M : C2200 (FLASH CODE 48): PASSENGER SEAT TRACK POSITION SENSOR CIRCUIT FAULT

• NOTE: Check the seat track position sensor for correct fitment before beginning pinpoint tests.

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

M1: CHECK THE PASSENGER SEAT TRACK POSITION SENSOR SUPPLY CIRCUIT FOR HIGH RESISTANCE

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Disconnect the battery negative terminal.
W ait one minute for the backup power supply to deplete.
Disconnect the passenger seat track sensor connector, CA70.
Disconnect the RCM connector,

For vehicles with 2.0L engine;

CA165.

For vehicles with 2.5/3.0L engine;

CA450.

Measure the resistance between CA70, pin 20 (U) and the RCM connector, pin 24 (U).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test
the system for normal operation.

GO to M2

M2: CHECK THE PASSENGER SEAT TRACK POSITION SENSOR SUPPLY CIRCUIT FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between CA70, pin 20 (U) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test the
system for normal operation.

GO to M3

M3: CHECK THE PASSENGER SEAT TRACK POSITION SENSOR SUPPLY CIRCUIT FOR SHORT CIRCUIT TO GROUND

Measure the resistance between CA70, pin 20 (U) 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 DTC, test the
system for normal operation.

GO to M4

M4: CHECK THE PASSENGER SEAT TRACK POSITION SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE

Measure the resistance between CA70, pin 19 (B) and GROUND.

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Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test
the system for normal operation.

GO to M5

M5: CHECK THE PASSENGER SEAT TRACK POSITION SENSOR GROUND CIRCUIT FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between CA70, pin 19 (B) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear the DTC, test the
system for normal operation.

INSTALL a new passenger seat track position sensor.
REFER to:

Seat Position Sensor

(501-20B Supplemental Restraint System, Removal and Installation).

Clear the DTC, test the system for normal operation. If the DTC is repeated, install a new RCM,
REFER to:

Restraints Control Module (RCM)

(501-20B Supplemental Restraint System, Removal and

Installation).

PINPOINT TEST N : B2290 (FLASH CODE 16): OCCUPANT CLASSIFICATION SENSOR (OCS) SYSTEM FAULT

• NOTE: Refer to the preliminary inspection table for fuse checks, etc before beginning pinpoint tests.
• NOTE: For belt tension sensor to OCS circuit tests,
REFER to:

Safety Belt System

(501-20A Safety Belt System, Diagnosis and Testing).

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

N1: CHECK THE POWER SUPPLY TO THE OCS

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing

Disconnect the battery negative terminal.
W ait one minute for the backup power supply to deplete.
Disconnect the OCS connector, WS17.
Turn the ignition switch to the ON position.
Measure the voltage between WS17, pin G (GR) and GROUND.

Is the voltage less than 10 volts?
Yes

REPAIR the circuit between the OCS and battery. For additional information, refer to the wiring diagrams. CLEAR
the DTC, test the system for normal operation.

GO to N2

N2: CHECK THE GEOUND TO THE OCS

Measure the resistance between WS17, pin D and GROUND.

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC, test
the system for normal operation.

GO to N3

N3: CHECK THE SIGNAL CIRCUIT BETWEEN THE OCS AND THE SEAT TRANSDUCER FOR HIGH RESISTANCE

Disconnect the seat transducer connector, WS20.
Measure the resistance between WS17, pin K (U) and WS20, pin 02 (U).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC, test
the system for normal operation.

GO to N4

N4: CHECK THE SIGNAL CIRCUIT BETWEEN THE OCS AND THE SEAT TRANSDUCER FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between WS17, pin K (U) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

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

GO to N5

N5: CHECK THE SIGNAL CIRCUIT BETWEEN THE OCS AND THE SEAT TRANSDUCER FOR SHORT CIRCUIT TO GROUND

Measure the resistance between WS17, pin K (U) 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 DTC, test the
system for normal operation.

GO to N6

N6: CHECK THE 5V CIRCUIT BETWEEN THE OCS AND THE SEAT TRANSDUCER FOR HIGH RESISTANCE

Measure the resistance between WS17, pin J (W ) and WS20, pin 01 (W).

Is the resistance greater than 5 ohms?
Yes

REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC, test
the system for normal operation.

GO to N7

N7: CHECK THE 5V CIRCUIT BETWEEN THE OCS AND THE SEAT TRANSDUCER FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between WS17, pin J (W ) and the battery positive terminal.

Is the resistance less than 10,000 ohms?
Yes

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

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