Abs Warning Light
Abs Warning Light -
ABS Warning Light If your car or truck is equipped with antilock brakes (ABS), a second warning light is usually provided to warn you if a problem occurs in your ABS system. The ABS lamp comes on when the ignition is turned on for a buIb An ABS wheelspeed sensor has been pushed partially out of its mounting hole, causing a large air gap between the The ABS warning light does not illuminate in the IPC when the key switch is placed in the ignition position for a lamp check Most General Motors systems will store trouble codes and flash them on the warning lamp or transmit them to a Scan tool. When an ABS malfunction occurs, the control module of Ford Motor Company products will light the ABS warning lamp Electronic control of
brake.application force enables an ABS to adjust brake pressure faster and more accurately than a One is for the ECU electronics, and the second is for a safety related interlock of the ABS warning light circuit and ECU.If BRAKE warning light is on or comes on intermittently, go to SYMPTOM TESTS. Road Test Vehicle 1) Road test is optional. This test is for additional information only. Drive vehicle and observe ABS warning light. When vehicle moves initially The ABS boost pressure operates the highpressure pump when the key is turned on if the vehicle has not been started for a time and the The red brake warning light will illuminate if there is a hydraulic problem within the base brake system.If the ABS warning light does not go
out.after completion of selftest sequence, the possible malfunctions are: • Battery voltage (B+) is below 10 volts. • Sensor malfunction (sporadic) after last starting the vehicle. • Open circuit between the ABS The amber ABS warning light is normally illuminated for 2 seconds after the ignition switch is turned on. After this time period, if the are no defects in the ABS, the CAB turns off the amber ABS warning light. This warning light should remain off ELECTRICAL CIRCUIT NOTE: The ABS electrical circuit is protected by two, 30amp fuses which receive direct battery voltage. The system is In this case, the ECU switches off the front wheel ABS and illuminates the ABS warning light.ABS hydraulic unit (N55) • Located on
left.side of engine compartment • Hydraulic pump (V64) integral with valve block and inlet/outlet ABS warning light (K47) • Located in instrument cluster •Operation, see Brake system warning lights 9.
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