16. ABS/ESP TROUBLE DIAGNOSIS

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Raymond Potter
6 years ago
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1 / TRUBLE DIAGNSIS Front LH Front RH C1011 C C Defective front LH wheel speed sensor - Check the connection of HECU connector C1021 C1022 front left-electrical front left-other 2. C Defective front LH wheel speed sensor - Check the wheel speed sensor connector - Check the connection of HECU connector mounting (Specified air gap: ~1.425 mm (2WD), 0.1 ~ 0.7 mm (4WD)) 1.C Defective front RH wheel speed sensor - Check the connection of HECU connector front right-electrical front right-other o: Applied x: N/A A / CN A / BAG BRAKE ST NG SP ALE CLUTCH T/C M/T A/T 2.C Defective front RH wheel speed sensor - Check the wheel speed sensor connector and HECU connector mounting (Specified air gap: ~ mm (2WD), 0.1 ~ 0.7 mm (4WD)) / SYSTEM ACTYN SM

2 Rear RH C1031 C1032 rear left-electrical rear left-other 1. C Defective rear RH wheel speed sensor 2. C Defective rear RH wheel speed sensor - Check the wheel speed sensor connector mounting (Specified air gap: ~ mm) Rear LH C1041 C1042 rear left-electrical rear left-other 1. C Defective rear LH wheel speed sensor 2. C Defective rear LH wheel speed sensor - Check the wheel speed sensor connector and HECU connector mounting (Specified air gap: ~ mm) / SYSTEM ACTYN SM

3 57 Pressure sensor C1051 Defective input sensor - Abnormal signals from pressure sensor - Defective pressure sensor or harness - Check the connection of the pressure sensor connector Steering wheel angle sensor 1. C C1072 C1061 Defective steering wheel angle sensor - Internally defective steering wheel angle sensor - Abnormal signals from steering wheel angle sensor - Ground to signal and power supply line or short to power supply line - Abnormal signal voltage from steering wheel angle sensor - Poor installation of steering wheel angle sensor and abnormal signal - Check the supplying voltage: (Specified voltage: 9 ~ 16 V) - Check the output voltage: Check voltage between unit terminals with ignition N ST1 voltage check: between unit terminal No. 5 and ground (Specified voltage: 1.3 ~ 4.1V) ST2 voltage check: between unit terminal No. 2 and ground (Specified voltage: 1.3 ~ 4.1V) STN voltage check: between unit terminal No.12 and ground (Specified voltage: 1.3 ~ 4.1V) Longitudinal acceleration sensor C1071 C1072 Longitudinal acceleration sensor-electrical Longitudinal acceleration sensor-other A / CN A / BAG BRAKE ST NG SP ALE CLUTCH T/C M/T A/T - Internally defective steering wheel angle sensor - Abnormal signal from steering wheel angle sensor - Ground to signal and power supply line or short to power supply line - Abnormal signal voltage from steering wheel angle sensor - Poor installation of steering wheel angle sensor and abnormal signal - Check the supplying voltage: (Specified voltage: 9 ~ 16 V) - Check the output voltage: Check voltage between unit terminals with ignition N / SYSTEM ACTYN SM

4 cluster C1073 C1074 cluster -electrical cluster-other 1. C perating voltage exceeds specified range (Hi: 18.0 ± 1.0 V / Lo: 6.5 ± 0.5 V ) - Poor contact or installation of harness - Check the connection of the sensor cluster connector - Replace the sensor cluster 2. C Internally defective HECU - Abnormal internal A/D converter voltage: ver 5.0 ± 3 % - Abnormal supplying voltage (4.580 ~ V) to sensor cluster Short circuit between supplying voltage output of sensor cluster and ground - Poor ground of sensor cluster (0.0 ~ 0.5 V) Short to ground on sensor cluster - Abnormal signals from lateral acceleration sensor - Abnormal signals from yawing sensor - Poor installation of sensor - Defective sensor cluster - Defective or short circuit of line - Replace the sensor Battery C1101 C1102 Battery under voltage Battery over voltage Battery Voltage 1. C Low voltage out of specified range (9.7 ± 0.3 V) - Check the supplying voltage 2. C ver voltage out of specified range (18.0 ± 1.0 V) - Check the supplying voltage Brake disc C1111 Disk temperature is high Brake - verheated brake disc due to braking force: over 500 C - verheated brake disc due to excessive operation of HDC - Stop driving for a period of time after turning off the / SYSTEM ACTYN SM

5 59 Brake Valve Pump Brake lamp switch FF switch Valve, valve relay C1201 C C1201 (5201) - Mechanical defective in brake switch - Defective brake switch harness - Check the harness and connector C Abnormal supplying voltage to valve solenoid - Internally defective HECU - Replace the HECU - Check the battery voltage - Check the HECU connector Pump motor C1311 Defective pump motor - Too low (below 6.0 V) or no supplying voltage to pump motor - ver 0.93 V of voltage from pump motor voltage - Poor contact in pump motor connector - Poor ground Defective brake lamp switch Defective FF switch 2. C1202 (5202) - Mechanical defective in FF switch - Defective FF switch harness (short to ground) - Check the connection of the harness and connector for FF switch Defective valve, valve relay in HECU A / CN A / BAG BRAKE ST NG SP ALE CLUTCH T/C M/T A/T - Check the supplying voltage - Replace the HECU HECU C1401 HECU-internal HECU and - Internally defective HECU - Defective A/D converter, internal voltage regulator, and controller - Defective sensor and short to supplying voltage line - Abnormal temperature sensor signal - Replace the HECU / SYSTEM ACTYN SM

6 initialization C1501 Abnormal sensor initialization - Abnormal signals from sensors - Abnormal sensor data - Check the sensors - Initialize the sensors Vehicle coding C1170 Vehicle coding error or misinstallation of HECU - Discrepancy between HECU coding and vehicle coding - Misinstallation of HECU - Defective CAN Communication - Check the HECU coding and vehicle coding - Check engine ECU coding - Perform vehicle coding - Replace the exact HECU C1601 error - Short or open to line - Poor connection of line C1602 Communication error between line and engine ECU 1. C Short circuit to line - verload to - Check the engine ECU - Check the connection of the engine ECU connector / SYSTEM ACTYN SM

7 61 CAN Communication C1603 C1604 C C Short to line - verload to - Check the A/T TCU - Check the connection of the TCU connector 2. C Short to line - verload to - Check the TCCU - Check the connection of the TCCU connector Communication error between TCU and CAN Communication error between TCCU and CAN Communication error between cluster (Meter) and CAN 3. C Short to line (communication with the cluster (meter)) - Check the connection of the cluster (meter) and connector - Replace the cluster (meter) C1612 Signal from engine ECU is abnormal A / CN A / BAG BRAKE ST NG SP ALE CLUTCH T/C M/T A/T - Data error from engine ECU - Check engine ECU - Check the connection of the engine ECU connector / SYSTEM ACTYN SM

11. CLUSTER Electrical Wiring Diagrams 1) GAUGE (SPEED, RPM, FUEL, TEMP), WARNING LAMP (FUEL, FUEL FILTER, ABS/ESP, BRAKE, HDC, 4WD)

11. CLUSTER Electrical Wiring Diagrams 1) GAUGE (SPEED, RPM, FUEL, TEMP), WARNING LAMP (FUEL, FUEL FILTER, ABS/ESP, BRAKE, HDC, 4WD) 548 s 11. CLUSTER 1) GAUGE (SPEED, RPM, FUEL, TEMP), WARNING LAMP (FUEL, FUEL FILTER, ABS/ESP, BRAKE, HDC, 4WD) s 549 A. CONNECTOR INFORMATION Connector Number (Pin Number, Color) Connecting Wiring Harness