Jaguar XJ (X350). Manual — part 243
G307559t20 : CHECK THE VOLTAGE SUPPLY TO THE STEERING ANGLE
SENSOR
1. Disconnect the steering angle sensor electrical connector IP37. 2. Turn the ignition switch to the
ON position. 3. Measure the voltage between IP37, pin 04 (R) and GROUND.
•
Is the voltage less than 10 volts?
-> Yes
GO to Pinpoint Test
G307559t21
.
-> No
GO to Pinpoint Test
G307559t22
.
G307559t21 : CHECK THE STEERING ANGLE SENSOR VOLTAGE SUPPLY
CIRCUIT FOR HIGH RESISTANCE
1. Turn the ignition switch to the OFF position. 2. Disconnect the ABS/DSC module electrical
connector EC30. 3. Measure the continuity between EC30, pin 07 (R) and IP37, pin 04 (R).
•
Is the resistance greater than 5 ohms?
-> Yes
REPAIR the high resistance circuit. This circuit includes the splice IPS14. For additional information,
refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No
Contact dealer technical support for advice on possible ABS/DSC module failure.
G307559t22 : CHECK THE STEERING ANGLE SENSOR GROUND SUPPLY
CIRCUIT
1. Turn the ignition switch to the OFF position. 2. Reconnect the ABS/DSC module electrical
connector EC30. 3. Disconnect the yaw/lateral rate sensor electrical connector IP23. 4. Turn the
ignition switch to the ON position. 5. Measure the resistance between IP37, pin 01 (B) and GROUND.
•
Is the resistance greater than 5 ohms?
-> Yes
REPAIR the high resistance circuit. This circuit includes the splice IPS10. For additional information,
refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No
GO to Pinpoint Test
G307559t23
.
G307559t23 : CHECK THE STEERING ANGLE SENSOR SIGNAL CIRCUIT ‘A’
FOR HIGH RESISTANCE
1. Turn the ignition switch to the OFF position. 2. Disconnect the ABS/DSC module electrical
connector EC30. 3. Measure the resistance between EC30, pin 03 (Y) and IP37 pin 02 (Y).
•
Is the resistance greater than 5 ohms?
-> Yes
GO to Pinpoint Test
G307559t24
.
-> No
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the
DTC. TEST the system for normal operation.
G307559t24 : CHECK THE STEERING ANGLE SENSOR SIGNAL CIRCUIT ‘B’
FOR HIGH RESISTANCE
1. Measure the resistance between EC30, pin 06 (U) and IP37, pin 03 (U).
•
Is the resistance greater than 5 ohms?
-> Yes
GO to Pinpoint Test
G307559t25
.
-> No
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the
DTC. TEST the system for normal operation.
G307559t25 : CHECK THE STEERING ANGLE SENSOR SIGNAL CIRCUIT ‘A’
FOR SHORT TO GROUND
1. Measure the resistance between IP37, pin 02 (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 DTC.
TEST the system for normal operation.
-> No
GO to Pinpoint Test
G307559t26
.
G307559t26 : CHECK THE STEERING ANGLE SENSOR SIGNAL CIRCUIT ‘B’
FOR SHORT TO GROUND
1. Measure the resistance between IP37, pin 03 (B) and GROUND.
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•
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
G307559t27
.
G307559t27 : CHECK THE STEERING ANGLE SENSOR SIGNAL CIRCUITS 'A'
AND 'B' FOR SHORT TO EACH OTHER
1. Measure the resistance between IP37, pin 03 (B) IP37, pin 02 (Y).
•
Is the resistance less than 5 ohms?
-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC.
TEST the system for normal operation.
-> No
INSTALL a new steeering angle sensor. CLEAR the DTC. TEST the system for normal operation. If the
DTC is repeated, contact dealer technical support for advice on possible ABS/DSC module failure.
PINPOINT TEST G307559p7 : C1279,
C1281, C2778, C2785, B2741;
LATERAL/YAW RATE CIRCUIT
FAILURE
G307559t28 : CHECK THE VOLTAGE SUPPLY TO THE LATERAL/YAW RATE
SENSOR
1. Disconnect the yaw/lateral rate sensor electrical connector IP23. 2. Turn the ignition switch to the
ON position. 3. Measure the voltage between IP23, pin 03 (R) and GROUND.
•
Is the voltage less than 10 volts?
-> Yes
GO to Pinpoint Test
G307559t29
.
-> No
GO to Pinpoint Test
G307559t4
.
G307559t29 : CHECK THE YAW/LATERAL RATE SENSOR VOLTAGE SUPPLY
CIRCUIT FOR HIGH RESISTANCE
1. Turn the ignition switch to the OFF position. 2. Disconnect the ABS/DSC module electrical
connector EC30. 3. Measure the resistance between IP23, pin 03 (R) and EC30, pin 07 (R).
•
Is the resistance greater than 5 ohms?
-> Yes
REPAIR the high resistance circuit. This circuit includes the splice IPS14. For additional information,
refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No
GO to Pinpoint Test
G307559t30
.
G307559t30 : CHECK THE YAW/LATERAL RATE SENSOR VOLTAGE SUPPLY
CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between IP23, pin 03 (R) and GROUND.
•
Is the resistance less than 10,000 ohms?
-> Yes
REPAIR the short circuit. This circuit includes the splice IPS14. For additional information, refer to the
wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
-> No
Contact dealer technical support for advice on possible ABS/DSC module failure.
G307559t4 : CHECK THE GROUND TO THE YAW/LATERAL RATE SENSOR
1. Measure the resistance between IP23, pin 05 (BK) and GROUND.
•
Is the resistance greater than 5 ohms?
-> Yes
GO to Pinpoint Test
G307559t67
.
-> No
GO to Pinpoint Test
G307559t32
.
G307559t67 : CHECK THE YAW/LATERAL RATE SENSOR GROUND CIRCUIT
FOR HIGH RESISTANCE
1. Turn the ignition switch to the OFF position. 2. Disconnect the ABS/DSC module electrical
connector EC30. 3. Measure the resistance between IP23, pin 05 (BK) and EC30, pin 05 (BK).
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