GMC chervolet camaro 1999 Service Manual page 711

5-236 Antilock Brake System
Brakes
ASR Indicator Inoperative with No OTC Set (cont'd)
Step
Action Value(s) Yes
No
1. Turn the ignition switch to the OFF position.
(
2. Using J 39200 DMM, measure the resistance
7
between the ASR switch harness connector
0-50
terminal F and a known good ground.
Is the resistance within the range specified in the value(s)
column? Go to Step 9 Go to Step 8
Repair CKT 451 for a open or high resistance. Refer to
Go to ABS
8
Wiring Repairs in Wiring Systems.
-
Diagnostic
-
Is the repair complete? System Check
1. Disconnect the EBTCM Connector C1
2. Install the J 39700 Universal Pinout box using the
J 39700 - 25 cable adapter to connector C1 only.
9
3.
Using DMM, measure the resistance between the
o-5n
ASR switch harness connector terminal E and 17 of
J39700
4. Is the resistace within the range specified in the
value(s) column? Go to Step 11 Go to Step 10
Repair CKT 1571 for an open or high resistance. Refer to
Goto ABS
10
Wiring Repairs in Wiring Systems.
-
Diagnostic
-
Is the repair complete? System Check
Replace the EBTCM. Refer to Electronic Brake Control
Go to ABS
11
Module (EBCM) Replacement
-
Diagnostic
-
Is the replacement complete? System Check
(