GMC chevrolet camaro 2000 Service Manual page 662

Brakes Antilock Brake System 5-189
DTC C0237 TCS Throttle Position Signal· Malfunction
)
Step Action Value(s) Yes No
Was the Diagnostic System Check performed? Go to A
1
-
Diagnostic
System
Go to Step 2 Check-ABS
Are any PCM TPS DTC(s) set? Go to A
Powertrain
2
On Board
-
·· Diagnostic (OBD)
System Check in
Engine Controls
Go to Step 3
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.
3
5. Using the J 39200 DMM, measure the resistance
0-50
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 Step 5 Go to Step 4
Repair CKT 417 for an open or high resistance. Refer to Go to A
4
Wiring Repairs.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
Using the J 39200 DMM, measure the resistance between
terminal 41 of the ASM harness connector and the
5
TPS harness connector terminal A.
0-50
Is the resistance within the range specified in the value(s)
column? Go to Step 7 Go to Step 6
\
J
Repair CKT 596 for an open or high resistance. Refer to Go to A
6
Wiring Repairs.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
Using the J 39200 DMM, measure the. resistance between
terminal 43 of the ASM harness connector and the
7
TPS harness connector terininal B.
0-50
Is the resistance within the range specified in the value(s)
column? Go to Step 9
Go to Step B
Repair CKT 452 for an open or high resistance. Refer to
.Go to A
8
Wiring· Repairs.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
Replace the ASM. Refer to Accelerator and Servo Control Go to A
9
Module (ASM) Replacement.
-
Diagnostic
-
Is the replacement complete?
System
Check-ABS
)