SERVICE MANUAL
  Applies to: Hyundai Coupe/Tiburon 1998-2000
GROUP
Brake Systems Anti-lock Brake System
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CIRCUIT INSPECTION (ABS MODULATOR CIRCUIT - SHORT B+) 

The modulator consists of four solenoid valves, one expander chamber per brake circuit, and a hydraulic pump.

The ABSCM activates the solenoid valves and controls the pressure to the wheel calipers.

DTC
Code
DISPLAY ON
SCAN TOOL
Symptom
Possible cause
21
LF SOLENOID CIRCUIT - SHORT BATT
LF solenoid valve short circuit to 12V
  • ABS Modulator
  • ABS Relay-BOX
  • Harness or connector between ABSCM and modulator
23
RF SOLENOID CIRCUIT - SHORT BATT
RF solenoid valve short circuit to 12V

25
LR SOLENOID CIRCUIT - SHORT BATT
LR solenoid valve short circuit to 12V

27
RR SOLENOID CIRCUIT - SHORT BATT
RR solenoid valve short circuit to 12V

WIRING DIAGRAM
INSPECTION PROCEDURE
  1. Check for voltage between each terminal of the ABS modulator harness

  1. Check the ABS-Modulator

  1. Check the ABSCM harness