GMC chevrolet camaro 2000 Service Manual page 625

5-152 Antilock Brake System
Test Description
The number(s) below refer to the step number(s) on
the diagnostic table.
6. This step checks for the proper resistance in
the WSS.
7. This step checks for the proper WSS output.
DTC C0051 RR Wheel Speed Circuit. Range/Performance
Step
Action
Value(s) Yes
Was the Diagnostic System Check performed?
1
-
Go to Step 2
2
Inspect the WSS for physical damage.
-
Is physical damage of the WSS evident? Go to Step 3
Replace the WSS; Refer to Wheel Speed Sensor
3
Replacement (With out Tractional Control).
-
Is the replacement complete? Go to Step 16
4
Inspect the jumper harness for physical damage.
-
Is physical damage of the jumper harness evident? Go to Step 5
Replace the jumper harness. Refer to Wheel Speed
5
Sensor Jumper Harness Replacement (Rear with Traction
-
Control).
Is the replacement complete?
' ' '
Go to Step 16
1.
Disconnect the WSS connector directly at the WSS.
2. Using J 39200 DMM, measure the 'resistance
6 between terminals A and B of the WSS.
2032-4266Q
Is the resistance within the range specified in the value(s)
column? Go to Step 7
1. With the J 39200 DMM still connected to the WSS
select the mV AC scale.
7
2. Spin the wheel as fast as you can by hand while
Above 100 mV
monitoring the AC output.
Is the AC voltage within the range specified in the value(s)
column? ·
Go to Step 8
Using J 39200 DMM, measure the resistance between the
8
WSS terminal A and ground.
OL (infinite)
Is the resistance within the range specified in the value(s)
column? ·
Go to Step 9
1. Disconnect the EBCM harness connector C1.
2. Install the J 39700 Universal Pinout Box using the
J
39700-530 cable adapter to the EBCM harness
9
connector C1 only.
OL (infinite)
3. Using J 39200 DMM, measure the resistance
between terminals 1 and 3 of J 39700.
Is the resistance within the range specified in the values
column? Go to Step 11
Repair short between CKT(s) 882 and 883. Refer to Wiring
Repairs. If a shqrt between wheel speed sensor circuits is
10
found in the jumper harness, replace the jumper harness.
-
Refer to Wheel Speed Sensor Jumper Harness
Replacement (Rear with Traction Control).
Is the repair complete? Go to Step 16
Brakes
(
No
Go to A
Diagnostic
System
Check-ABS
Go to Step 4
-
Go to Step 6
-
(
Go to Step 3
Go to Step 3
.
Go to Step 3
Go to Step 10
-