SSANGYONG Kyron Repair Manual page 438

52
4890
Function Defective Components
Cause
- Too low (below 6.0 V) or no supplying voltage to pump motor
- Over 0.93 V from pump motor voltage
Pump
- Poor contact in pump motor connector
Monitoring
- Poor ground
Action
- Check the supplying voltage
- Check the HECU connector
- Replace the HECU
Cause
- Internally defective HECU
- Defective A/D converter, internal voltage regulator, and controller
- Defective sensor and short to supplying voltage line
- Abnormal temperature sensor signal
Action
- Replace the HECU
Sensor initialization
HECU
and Sensor
Cause
Monitoring - Abnormal signals from sensors
- Abnormal sensor data
Action
- Check the sensors
- Initialize the sensors
Vehicle coding
Cause
- Discrepancy between HECU coding and vehicle coding
- Defective CAN communication line
- Misinstallation HECU
Action
- Check the HECU coding and vehicle coding
- Perform vehicle coding
- Replace the exact HECU
- Check engine ECU variant coding
ABS/ESP SYSTEM
KYRON SM - 2005.09
Trouble Code
Motor pump
C1302 (5302)
HECU C1401 (5401)
C1501 (5501)
C1170 (5170)
Descriptions
Defective motor pump
HECU hardware
Abnormal sensor
initialization
Variant coding error, or
misinstallation HECU
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
System
ABS ESP
O O
O O
O O
(O) O