Test 2A - ABS Warning Lamp Circuit

NOTE: You must perform Test 1-A, before proceeding with this test.

ABS Warning Lamp Circuit:

NAME OF CODE:
ABS Amber Warning Lamp Circuit Failure

When Monitored:
Key on only.

Set Condition:
The CAB can control as well as monitor the ABS amber warning lamp function. If the Controller Antilock Brakes CAB detects a problem in the ABS system it will activate the ABS warning lamp. If the ABS warning lamp fails to operate at key up, this code is set.

Possible Causes:
^ ABS warning bulb
^ Ignition switch output circuit open
^ Fused ignition switch output circuit open
^ Ignition switch output circuit shorted to ground
^ ABS amber warning lamp driver circuit open
^ ABS amber warning lamp driver circuit shorted to ground

Test 2A: ABS Lamp Circuit Failure (Part 1 Of 3):

Test 2A: ABS Warning Lamp Circuit Failure (Part 2 Of 3):

Test 2A: ABS Warning Lamp Circuit Failure (Part 3 Of 3):

Controller Antilock Brake Connector:

NOTE: When disconnecting or connecting connectors, always check for terminal damage, pushed out pins or miswired.

NOTE: After completion of steps, or completion of test, perform Verification Test VER-1A.Verification Test VER-1A - ABS