Jaguar XJ (X350). Manual — part 1570

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

-> No
CHECK the CAN circuits,
Communications Network GO to Pinpoint Test G1043827t6.

G1043827t6 : CHECK THE POWER SUPPLY TO THE
PWS

1. Disconnect the PWS electrical connector, SP02. 2. Turn the ignition switch to the ON
position. 3. Measure the voltage between SP02, pin G ®) and GROUND.

•

Is the voltage greater than 10 volts?

-> Yes
REPAIR the circuit between SP02, pin G and SP30, pin 09 ®). For additional information,
refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t7.

G1043827t7 : CHECK THE PWS GROUND CIRCUIT
FROM THE OCM FOR HIGH RESISTANCE

1. Disconnect the battery negative terminal. 2. Disconnect the OCM electrical connector,
SP30. 3. Measure the resistance between SP02, pin D (BW) and SP30, pin 10.

•

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.

-> No
GO to Pinpoint Test G1043827t8.

G1043827t8 : CHECK THE CAN + CIRCUIT BETWEEN
THE OPM AND THE PWS FOR HIGH RESISTANCE

1. Measure the resistance between SP02, pin E (OY) and SP30, pin 12 (OY).

•

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.

-> No
GO to Pinpoint Test G1043827t9.

G1043827t9 : CHECK THE CAN - CIRCUIT BETWEEN
THE OPM AND THE PWS FOR HIGH RESISTANCE

1. Measure the resistance between SP02, pin F (UY) and SP30, pin 11 (UY).

•

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.

-> No
GO to Pinpoint Test G1043827t10.

G1043827t10 : CHECK THE BELT TENSION SENSOR
SIGNAL CIRCUIT TO THE PWS FOR HIGH
RESISTANCE

1. Disconnect the belt tension sensor electrical connector, SP33. 2. Measure the resistance
between SP33, pin 02 (B) and SP02, pin A (B).

•

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.

-> No
GO to Pinpoint Test G1043827t11.

G1043827t11 : CHECK THE BELT TENSION SENSOR
SIGNAL CIRCUIT TO THE PWS FOR SHORT TO
GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between SP33, pin 02
(B) and GROUND.

www.

•

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.

-> No
GO to Pinpoint Test G1043827t12.

G1043827t12 : CHECK THE BELT TENSION SENSOR
SIGNAL CIRCUIT TO THE PWS FOR SHORT TO
POWER

1. Measure the voltage between SP33, pin 02 (B) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t13.

G1043827t13 : CHECK THE BELT TENSION SENSOR
GROUND CIRCUIT TO THE PWS FOR HIGH
RESISTANCE

1. Measure the resistance between SP33, pin 03 ®) and SP02, pin C ®).

•

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.

-> No
GO to Pinpoint Test G1043827t14.

G1043827t14 : CHECK THE BELT TENSION SENSOR
GROUND CIRCUIT TO THE PWS FOR SHORT TO
GROUND

1. Measure the resistance between SP33, pin 03 ®) 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.

-> No
GO to Pinpoint Test G1043827t15.

G1043827t15 : CHECK THE BELT TENSION SENSOR
GROUND CIRCUIT TO THE PWS FOR SHORT TO
POWER

1. Measure the voltage between SP33, pin 03 ®) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t16.

G1043827t16 : CHECK THE BELT TENSION SENSOR
SUPPLY CIRCUIT TO THE PWS FOR HIGH
RESISTANCE

1. Measure the resistance between SP33, pin 01 (Y) and SP02, pin B (Y).

•

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.

-> No
GO to Pinpoint Test G1043827t17.

www.