Jaguar XJ (X350). Manual — part 119

-> No

GO to Pinpoint Test

G256924t70

.

G256924t70 : CHECK THE RIGHT-HAND FRONT AIR SPRING SUPPLY
CIRCUIT FOR SHORT TO B+

1. Measure the voltage between EC12, pin 01 (WU) 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

G256924t71

.

G256924t71 : CHECK THE LEFT-HAND REAR AIR SPRING SUPPLY CIRCUIT
FOR SHORT TO GROUND

1. Disconnect the left-hand rear air spring electrical connector, TL33. 2. Measure the resistance

between TL33, pin 01 (WG) 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

G256924t72

.

G256924t72 : CHECK THE LEFT-HAND REAR AIR SPRING SUPPLY CIRCUIT
FOR SHORT TO B+

1. Measure the voltage between TL33, pin 01 (WG) 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

G256924t73

.

G256924t73 : CHECK THE RIGHT-HAND REAR AIR SPRING SUPPLY CIRCUIT
FOR SHORT TO GROUND

1. Disconnect the right-hand rear air spring electrical connector, CR23. 2. Measure the resistance

between CR23, pin 01 (WB) 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

G256924t74

.

G256924t74 : CHECK THE RIGHT-HAND REAR AIR SPRING SUPPLY CIRCUIT
FOR SHORT TO B+

1. Measure the voltage between CR23, pin 01 (WB) 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

CHECK for DTCs indicating a air spring fault. Contact dealer technical support for confirmation of

possible module failure, and/or raise an EPQR.

PINPOINT TEST G256924p24 : C2779;
AIR SPRING SOLENOID
SUPPLY/DRIVE CIRCUIT FAULT

G256924t75 : CHECK THE AIR SPRING SOLENOID SUPPLY CIRCUIT FOR
SHORT TO GROUND

1. Disconnect the ASU electrical connector, CR91. 2. Measure the resistance between CR91, pin 01

(YG) and GROUND.

•

Is the resistance less than 10,000 ohms?

www.

-> 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

G256924t76

.

G256924t76 : CHECK THE AIR SPRING SOLENOID SUPPLY CIRCUIT FOR
SHORT TO B+

1. Measure the voltage between CR91, pin 01 (YG) 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

G256924t77

.

G256924t77 : CHECK THE AIR SPRING SOLENOID SUPPLY CIRCUIT FOR
HIGH RESISTANCE

1. Disconnect the air spring solenoid electrical connector, CR22. 2. Measure the resistance between

CR91, pin 01 (YG) and CR22, pin 06 (YG).

•

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

G256924t78

.

G256924t78 : CHECK THE LEFT-HAND FRONT AIR SPRING SOLENOID DRIVE
CIRCUIT FOR SHORT TO GROUND

1. Measure the resistance between CR22, pin 01 (WR) 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

G256924t79

.

G256924t79 : CHECK THE LEFT-HAND FRONT AIR SPRING SOLENOID DRIVE
CIRCUIT FOR SHORT TO B+

1. Measure the voltage between CR22, pin 01 (WR) 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

G256924t80

.

G256924t80 : CHECK THE LEFT-HAND FRONT AIR SPRING SOLENOID DRIVE
CIRCUIT FOR HIGH RESISTANCE

1. Measure the resistance between CR22, pin 01 (WR) and CR91, pin 02 (WR).

•

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

G256924t81

.

G256924t81 : CHECK THE RIGHT-HAND FRONT AIR SPRING SOLENOID
DRIVE CIRCUIT FOR SHORT TO GROUND

1. Measure the resistance between CR22, pin 02 (WB) 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

G256924t82

.

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