Jaguar XJ (X350). Manual — part 118

PINPOINT TEST G256924p20 : C1889,
C1891; LEFT-HAND FRONT HEIGHT
SENSOR SIGNAL CIRCUIT FAULT

G256924t59 : CHECK THE LEFT-HAND FRONT SIGNAL CIRCUIT FOR SHORT
TO B+

1. Disconnect the left-hand front height sensor electrical connector, EC45. 2. Measure the voltage

between EC45, pin 04 (GU) 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

G256924t60

.

G256924t60 : CHECK THE LEFT-HAND FRONT SIGNAL CIRCUIT FOR SHORT
TO GROUND

1. Measure the resistance between EC45, pin 04 (GU) 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

G256924t61

.

G256924t61 : CHECK THE LEFT-HAND FRONT SIGNAL CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the battery negative terminal. 2. Disconnect the ASU electrical connector, CR90. 3.

Measure the resistance between CR90, pin 02 (GU) and EC45, pin 04 (GU).

•

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

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

possible module failure, and/or raise an EPQR.

PINPOINT TEST G256924p21 : C1893,
C1895; LEFT-HAND REAR HEIGHT
SENSOR SIGNAL CIRCUIT FAULT

G256924t62 : CHECK THE LEFT-HAND REAR SIGNAL CIRCUIT FOR SHORT
TO B+

1. Disconnect the left-hand rear height sensor electrical connector, CV03. 2. Measure the voltage

between CV03, pin 04 (BR) 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

G256924t63

.

G256924t63 : CHECK THE LEFT-HAND REAR SIGNAL CIRCUIT FOR SHORT
TO GROUND

1. Measure the resistance between CV03, pin 04 (BR) 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

G256924t64

.

G256924t64 : CHECK THE LEFT-HAND REAR SIGNAL CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the battery negative terminal. 2. Disconnect the ASU electrical connector, CR90. 3.

Measure the resistance between CR90, pin 08 (BR) and CV03, pin 04 (BR).

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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.

-> No

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

possible module failure, and/or raise an EPQR.

PINPOINT TEST G256924p22 : C1993;
PRESSURE SENSOR SIGNAL CIRCUIT
FAULT

G256924t65 : CHECK THE PRESSURE SENSOR SIGNAL CIRCUIT FOR SHORT
TO GROUND

1. Disconnect the pressure sensor electrical connector, CR92. 2. Measure the resistance between

CR92, pin 02 (G) 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

G256924t66

.

G256924t66 : CHECK THE PRESSURE SENSOR SIGNAL CIRCUIT FOR HIGH
RESISTANCE

1. Disconnect the battery negative terminal. 2. Disconnect the ASU electrical connector, CR90. 3.

Measure the resistance between CR92, pin 02 (G) and CR90, pin 14 (G).

•

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

INSTALL a new valve block,

Air Suspension Solenoid Valve Block

CLEAR the DTC. TEST the system for normal operation.

PINPOINT TEST G256924p23 : C2304,
C2305; AIR SPRING SUPPLY CIRCUIT
FAULT

G256924t67 : CHECK THE LEFT-HAND FRONT AIR SPRING SUPPLY CIRCUIT
FOR SHORT TO GROUND

1. Disconnect the left-hand front air spring electrical connector, EC47. 2. Measure the resistance

between EC47, 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

G256924t68

.

G256924t68 : CHECK THE LEFT-HAND FRONT AIR SPRING SUPPLY CIRCUIT
FOR SHORT TO B+

1. Measure the voltage between EC47, 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

G256924t69

.

G256924t69 : CHECK THE RIGHT-HAND FRONT AIR SPRING SUPPLY
CIRCUIT FOR SHORT TO GROUND

1. Disconnect the right-hand front air spring electrical connector, EC12. 2. Measure the resistance

between EC12, pin 01 (WU) 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.

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