FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test A: No Communication With the Anti-Lock Brake System (ABS) Module

TEST A: NO COMMUNICATION WITH THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE

Normal Operation
The operating voltage required to supply the ABS module, hydraulic pump and isolation valves is in a range between 10 and 16 volts.
Voltage is supplied by circuit 532 (OG/YE) (ignition feed). Ground is provided through circuit 1203 (BK/LB).

Possible Causes
^ Fuse
^ Circuit 532 (OG/YE) open
^ Circuit 1203 (BK/LB) open

A1-A2: