Hyundai Tiburon (2003 year). Manual — part 87
Inspection Procedure 4
Inspection Procedure 5
Even after the engine is started, the ABS warning lamp remains
illuminated
Probable cause
A possible short-circuit in the ABS warning lamp illumination circuit
• Faulty combination meter
• Faulty ABS warning lamp circuit
• Faulty HECU
This trouble symptom is limited to cases where communication with the Hi-Scan (Pro) is possible (HECU power
supply is normal) and DTC is normal.
ABS does not operate
Probable cause
Brake operation varies depending on
driving conditions and road surface
conditions, so diagnosis can be difficult.
However, if a normal DTC is displayed,
carry out the following inspection.
• Improper installation of wheel speed
sensor
• Incorrect sensor harness contact
• Foreign material on wheel speed
sensor
• Faulty wheel speed sensor
• Faulty rotor
• Faulty wheel bearing
• Faulty HECU
• Faulty power source circuit
INSPECTION PROCEDURE FOR DIAGNOSTIC TROUBLE CODES
DTC No. C1200, C1203, C1206, C1209
Wheel speed sensor open or short to GND circuit
Probable cause
The HECU determines that an open or short circuit has occured in more
than one wire of a wheel speed sensor.
• Faulty wheel speed sensor
• Faulty wiring harness or connector
• Faulty HECU
DTC No. C1201, C1204, C1207, C1210
(Speed jump or wrong exciter)
Probable cause
Abnormal output signal from a wheel speed sensor other than an open or
short circuit.
• Improper installation of wheel speed sensor
• Faulty wheel speed sensor
• Faulty rotor
• Faulty wheel bearing
• Faulty wiring harness or connector
• Faulty HECU
DTC No. C1202, C1205, C1208, C1211
(Large air gap)
Probable cause
No wheel speed sensor output signal.
• Faulty wheel speed sensor
• Improper installation of wheel speed sensor
• Faulty rotor (excitor)
• Faulty wiring harness or connector
• Faulty HECU
DTC No. C1101, C1102 Voltage out of range
(Low and over voltage)
Probable cause
The voltage of the HECU power supply drops lower than or rises higher
than the specified value. If the voltage returns to the specified value, this
code is no longer output.
• Faulty wiring harness or connector
• Faulty HECU
If battery voltage drops or rises during inspection, this code will be output as well. If the voltage returns to thestandard
value, the code is no longer output. Before carrying out the following inspection, check the battery level, and refill if
necessary.
DTC No. C1604 HECU Hardware
(EEPROM and ECU failure)
Probable cause
The HECU always monitors the solenoid valve drive circuit. It determines
that there is an open or short-circuit in the solenoid coil or in a harness
even if no current flows in the solenoid or through the HECU.
• Faulty wiring harness
• Faulty HECU
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