Jeep Grand Cherokee WK. Manual — part 145
C1035-RIGHT REAR WHEEL SPEED COMPARATIVE PERFORMANCE (CONTINUED)
5.
CHECK THE (B1) RIGHT REAR WSS SIGNAL VOLTAGE AT THE ANTI-LOCK BRAKE MODULE HARNESS
CONNECTOR
Turn the ignition off.
Turn the ignition on.
While back probing, measure the voltage between the (B1) Right Rear
WSS Signal circuit at the Anti-Lock Brake Module harness connector
and chassis ground.
Slowly rotate the wheel by hand.
Did the (B1) Right Rear WSS Signal circuit voltage toggle
between approximately 1.6 to .8 volts?
Yes
>> Replace the Anti-Lock Brake Module in accordance with
the Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Repair the (B1) Right Rear WSS Signal circuit for an
open.
Perform ABS VERIFICATION TEST - VER 1.
5 - 206
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
WK
C1041-LEFT FRONT TONE WHEEL PERFORMANCE
WK
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
5 - 207
C1041-LEFT FRONT TONE WHEEL PERFORMANCE (CONTINUED)
For the Anti-Lock Brake System circuit diagram. (Refer to 5 - BRAKES - SCHEMATICS AND DIAGRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
When the Anti-Lock Brake Module detects periodic drops of a WSS signal.
Possible Causes
LEFT FRONT TONE WHEEL
Diagnostic Test
1.
CHECK FOR A DTC C1041-LEFT FRONT TONE WHEEL PERFORMANCE
NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, read DTCs.
Record DTC and Freeze Frame information.
With the scan tool, erase DTCs.
Cycle the ignition switch off then on.
CAUTION: Ensure brake capability is available before road testing.
Test drive the vehicle in a straight line to 40 Km/h (25 mph).
With the scan tool, read DTCs.
Does the scan tool display: C1041-LEFT FRONT TONE WHEEL PERFORMANCE?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION diagnostic procedure.
Perform ABS VERIFICATION TEST - VER 1.
2.
CHECK THE LEFT FRONT TONE WHEEL FOR DAMAGE
NOTE: Check the tone wheel teeth for missing teeth, cracks, or looseness. Teeth should be perfectly
square, not bent, or nicked.
Check the Left Front Tone Wheel for damage.
Were any problems found?
Yes
>> Replace the Left Front Tone Wheel in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Test Complete.
5 - 208
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
WK
C1042-RIGHT FRONT TONE WHEEL PERFORMANCE
WK
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
5 - 209
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст