Jaguar XJ (X350). Manual — part 247
DTC. TEST the system for normal operation.
-> No
INSTALL a new brake light switch. CLEAR the DTC. TEST the system for normal operation.
Anti-Lock Control - Stability Assist - VIN
Range: G45704->G99999
Overview
There are some changes for 2006 my, the most obvious of which when diagnosing the system is the
change to 7-digit diagnostic trouble codes (DTCs) from the familiar 5-digit.
Refer to the DTC index in this section for guidance on how to use these codes with the Jaguar
approved diagnostic system or a scan tool.
For information on the operation of the system,
Anti-Lock Control - Stability Assist - VIN Range: G45704->G99999
Inspection and Verification
1 . Verify the customer concern.
2 . Confirm if the ABS warning light was illuminated, or still is.
NOTE:
An intermittent fault may allow the warning light to go off. This does not necessarily mean the
fault is not present. Some warnings will appear to clear when the ignition is cycled. This is often
because the warning has flagged as a result of one of the vehicle's on-board diagnostic routines
having run to detect the fault. If the same routine is not run when the ignition is switched ON,
the warning will not reflag until the routine does run.
3 . Visually inspect for obvious signs of mechanical or electrical damage.
Mechanical
Electrical
•
Brake fluid level
•
Vacuum system
•
Wheel speed sensor (WSS) fitment
•
WSS air gap
•
WSS ring(s) (missing or damaged
teeth/contamination)
•
Steering wheel rotation sensor
•
Yaw rate sensor and accelerometer cluster
fitment
•
Incorrect wheel or tire size
•
Warning light operation
•
Fuses (see table)
•
Wheel speed sensors
•
Connectors/Pins
•
Harnesses
•
Steering wheel rotation sensor
•
Yaw rate sensor and accelerometer
cluster
•
Booster pressure sensor
•
Hydraulic control module (HCU)
4 . If an obvious cause for an observed or reported concern is found, correct the cause (if possible)
before proceeding to the next step.
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5 . If the cause is not visually evident use the Jaguar approved diagnostic system or a scan tool to
retrieve the fault codes before proceeding to the DTC index chart.
Fuse Identification Table
Location
Fuse Number Rating
Circuit
Front power distribution fuse box 20
30 Amp HCU pump battery supply
Front power distribution fuse box 03
5 Amp
HCU module battery supply
Front power distribution fuse box 22
15 Amp HCU valve battery supply
Primary junction fuse box
17
5 Amp
HCU module ignition supply
DTC Index
NOTE:
Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5
digits from the scan tool to the first 5 digits of the 7-digit code listed to identify the fault (the last
2 digits give extra information read by the manufacturer-approved diagnostic system).
DTC
Description
Possible cause
Action
C000101
Traction control
switch (TCS)
control channel A
valve 1
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C000201
Traction control
switch (TCS)
control channel A
valve 2
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C000301
Traction control
switch (TCS)
control channel B
valve 1
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C000401
Traction control
switch (TCS)
control channel B
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
valve 2
suspect.
C001001
Left hand front
outlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C001101
Left hand front
outlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C00117A
Left hand front
outlet control
•
Fluid leak
•
Seal failure
Check the brake fluid condition.
Check the hydraulic system for
leaks.
C001401
Right hand front
inlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C001501
Right hand front
outlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C00157A
Right hand front
outlet control
•
Internal HCU fault
Check the brake fluid condition.
Check the hydraulic system for
leaks.
C001801
Left hand rear
inlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C001901
Left hand rear
outlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C001C01
Right hand rear
inlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C001D01
Right hand rear
outlet control
•
Internal HCU fault
Refer to the warranty policy and
procedures manual if a module is
suspect.
C002001 ABS pump motor
control - excessive
•
Power supply to pump
motor: short circuit
•
Power supply to pump
motor: incorrect voltage
Refer to the warranty policy and
procedures manual if a module is
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