SSANGYONG 2004 Rexton 2.7XDi Workshop Manual page 1238

Trouble
Defective Components
Code
C1201
Brake lamp switch
(5201)
C1202
ESP OFF switch
(5202)
C1301
Valve, valve relay
(5301)
C1311
Motor pump
(5302)
C1401
HECU hardware
(5401)
C1501 No calibration or SC
(5501) checksum error
ESP SYSTEM
REXTON SM - 2004.4
Descriptions
Cause
- Mechanical defective in brake switch
- Defective brake switch harness
Action
- Check the harness and connector
Cause
- Mechanical defective in ESP OFF switch
- Defective ESP OFF switch harness (short to ground)
Action
- Check the harness and connector for ESP OFF switch
Cause
- Abnormal supplying voltage to valve solenoid
- Internally defective HECU
Action
- Check the battery voltage
- Check the HECU connector
- Replace the HECU
Cause
- Too low (below 6.0 V) or no supplying voltage to pump
motor
- Over 0.93 V from pump motor voltage
- Poor contact in pump motor connector
- 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
Action
- Replace the HECU
Cause
- Abnormal signals from sensors
- Poor calibration for sensors
Action
- Check and initialize the sensors
8E2-41
ABS ESP
X O
X O
X X
O O
O O
X O
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN