GMC chevrolet camaro 2000 Service Manual page 673

5-200 Antilock Brake System Brakes
DTC C0244 PWM Delivered Torque.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
Check that grounds, G101 and G106 are clean, tight and
2
free of damage. Refer to Power and Grounding
-
Components in Wiring Systems.
Were any loose, damaged, or corroded grounds found? Go to Step 3 Go to Step 4
Repair ground as necessary. Refer to Wiring Repairs in Goto A
3
Wiring Systems.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
1. Turn the ignition switch to the OFF position.
2. Install the scan tool.
3. Turn the ignition switch to the ON position, engine off.
4
4. Using the scan tool, observe the PCM to EBCM
O N-m
delivered torque.
Is the delivered torque within the range specified in the
value(s) column? Go to Step 5 Go to Step 6
Replace the EBCM. Refer to Electronic Brake Control Go to A
5
Module (EBCM) Replacement.
-
Diagnostic
-
Is the replacement complete?
System
Check-ABS
1. Turn the ignition switch to the OFF position.
2. Disconnect the PCM connector C2.
3. Disconnect the EBCM connector.
4. Install J 39700 Universal Pinout Box using the
(
J 39700-530 cable adapter to the EBCM harness
6
connector and the EBCM connector.
Battery Volts
5. Turn the ignition switch to the ON position, engine off.
6. Using J 39200 DMM, measure the voltage between
terminals 9 and 15 of J 39700.
Is the voltage within the range specified in the value(s)
column?
Go to Step 7 Go to Step 9
1. Turn the ignition switch to the OFF position.
2. Disconnect the J 39700-25 cable adapter from the
EBCM leaving the cable adapter connected to the
EBCM harness only.
7
3. Turn the ignition switch to the ON position, engine off.
Greater than 1V
4. Using J 39200 DMM, measure the voltage between
terminals 9 and 15 of J 39700.
Is the voltage within the range specified in the value(s)
column? . · Go to Steps Go to. Step 11
Repair CKT 464 for a short to voltage. Refer to Wiring Go to A
8
Repairs in Wiring Systems.
-
Diagnostic
-
Is the repair complete?
System
Check-ABS
1. Turn the ignition switch to the OFF position.
2. Using J 39200 DMM, measure the resistance
9 between J 39700 terminals 9 and 15. OL (infinite)
Is the resistance within the range specified in the value(s)
column? Go to Step 5 Go to Step 10