GMC chervolet camaro 1999 Service Manual page 679

5-204 Antilock Brake System
Brakes
DTC C0237 TCS Throttle Position Signal Malfunction
Step
Action Value(s) Yes No
Was the Diagnostic System Check performed? Go to ABS
(
1
-
Diagnostic
Go to Step2 System Check
Are any PCM TPS DTC(s) set? Go to Powertrain
2
-
OBD System
Check in Engine
Controls
Go to Slep3
1. Turn the ignition switch to the OFF position.
2. Disconnect the PCM connector C2.
3. Disconnect the TPS connector.
4. Disconnect the ASM connector.
0-511
3
5. Using the
J
39200 DMM, measure the resistance
between terminal 40 of the ASM harness connector
and the TPS harness connector terminal C.
Is the resistance within the range specified in the value(s)
column?
Go to Step5 Go to Step 4
Repair CKT 417 for an open or high resistance. Refer to
Go to ABS
4
Repair Procedures Cell 5 in Electrical Diagnosis.
-
Diagnostic
-
Is the repair complete? System Check
Using the
J
39200 DMM, measure the resistance between
terminal 41 of the ASM harness connector and the TPS
5
harness connector terminal A.
0-511
Is the resistance within the range specified in the value(s)
column?
Go to Step 7 Go to Step6
Repair CKT 596 for an open or high resistance. Refer to
Goto ABS
6
Repair Procedures Cell 5 in Electrical Diagnosis.
-
Diagnostic
-
Is the repair complete? System Check
Using the J 39200 DMM, measure the resistance between
(
terminal 43 of the ASM harness connector and the TPS
7
harness connector terminal B.
0-511
Is the resistance within the range specified in the value(s)
column?
Go to Step 9 Go to StepB
Repair CKT 452 for an open or high resistance. Refer to
Go to ABS
8
Repair Procedures Cell 5 in Electrical Diagnosis. -
Diagnostic
-
Is the repair complete? System Check
Replace the ASM. Refer to Accelerator and Servo Control
Goto ABS
9
Module (ASM) Replacement.
-
Diagnostic
-
Is the replacement complete?
System Check
(