Otc C0045 Lr Wheel Speed Circuit Malfunction - GMC chervolet camaro 1999 Service Manual

Brakes
Rear Wheel Speed Sensor Resistance
The following table contains resistance values for the
rear wheel speed sensors at varying sensor
temperatures for use in diagnosis. The values are
approximate and should be used as a guideline
for diagnosis.
OTC C0045 LR Wheel Speed
Circuit Malfunction
Sensor Sensor
Sensor
Temperature Temperature Resistance
(OC)
(OF)
(Ohms)
-34 to 4 -30 to 40 2032 to 3107
5 to 43
41 to 110 2417 to 3615
44 to 93 111 to 200 2812 to 4266
Antilock Brake System 5·145
Test Description
The numbers below refer to step numbers on the
diagnostic table.
6. This step checks for an open in the WSS or
WSS CKT.
13. Checks for a short to voltage in the WSS CKT.
15. Checks for a short to voltage in the WSS CKT.
OTC C0045 LR Wheel Speed Circuit Malfunction
Step
Action Value(s) Yes No
Was the Diagnostic System Check performed? Go to ABS
1
-
Diagnostic
Go to Step2 System Check
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 (Rear With Out Traction Control).
-
-
Is the replacement complete? Go to Step 18
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 (Rear with Traction
-
-
Control).
Is the replacement complete? Go to Step 18
1. Turn the ignition switch to the OFF position.
2. Disconnect the EBTCM connector C1.
3. Install the J 39700 Universal Pinout Box using the
6
J 39700 - 530 cable adapter to the EBTCM harness
connector C1 only.
2032-42660
4. Using J 39200 DMM, measure the resistance
between terminals 22 and 23 of J 39700.
Is the resistance within the range specified in the value(s)
column?
Go to Step 13 Go to Step 7
1. Disconnect the Wheel Speed Sensor.
2. Using J 39200 DMM, measure the resistance
7
between terminals A and B of the Wheel Speed
2032-42660
Sensor Connector.
Is the resistance within the range specified in the value(s)
column?
Go to Step 8 Go to Step 3
Using J 39200 DMM, measure the resistance between
terminal 22 of J 39700 and terminal B of the WSS harness
8
connector.
o-50
Is the resistance within the range specified in the value(s)
Go to Step 10 Go to Step 9 column?