GMC chevrolet camaro 2000 Service Manual page 607

5 .. 134 Antilock Brake System Brakes
Front Wheel Speed Sensor Resistance Test Description
Use the following table that contains resistance values The number(s) below refer to the step number(s) on (
for the front wheel speed sensors at varying sensor the diagnostic table.
temperatures for use in diagnosis. The values are 6. This step checks for the proper resistance in
approximate and should be used as a guideline the WSS.
for diagnosis Refer to ABS Diagnostic Specifications. 7. This step checks for the proper WSS output.
DTC C0036 LF Wheel Speed Circuit Range/Performance
Step
Action
· Value(s)
Yes No
Was the Diagnostic System Check performed? Go to A
1 -
Diagnostic
System
Go to Step 2
Check-ABS
2
Inspect the WSS for physical damage.
-
Is physical damage of the WSS evident? Go to Step 3 Go to Step 4
Replace the WSS. Refer to Wheel Speed Sensor
3
Replacement (Front) in Front Suspension.
-
-
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 Go to Step 6
Replace the jumper harness. Refer to Wheel Speed
5
Sensor Jumper Harness Replacement (Front Left).
-
-
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.
800-1600
Q
Is the resistance within the range specified in the value(s)
column? Go to Step
7
Go.to Step 3
(
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)
Go to Step 8 Go to Step 3 column?
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 Go to Step 3
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 20 and 21 of J 39700.
Is the resistance within the range specified in the values
column? Go to Step 11 Go to Step 10
Repair short between CKT(s) 830 and 873. Refer to Wiring
Repairs. If a short between wheel speed sensor circuits is
10
found in the jumper harness, replace the jumper harness.
-
-
Refer to Wheel Speed Sensor Jumper Harness
Replacement (Front Left).
Is the repair complete? Go to Step 16