Hyundai Tiburon 2003 Workshop Manual page 348

No wheel speed sensor output signal.
DTC No. C1101, C1102 Voltage out of range
(Low and over voltage)
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.
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)
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.
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• Faulty wheel speed sensor
• Improper installation of wheel speed sensor
• Faulty rotor (excitor)
• Faulty wiring harness or connector
• Faulty HECU
Probable cause
• Faulty wiring harness or connector
• Faulty HECU
Probable cause
• Faulty wiring harness
• Faulty HECU
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24.04.2008