If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

Priority | Detected items (DTC)
1 |

- U1000 CAN COMM CIRCUIT
- U1002 SYSTEM COOM

2 |

- C1110 CONTROLLER FAILURE

3 |

- C1130 ENGINE SIGNAL 1
- C1144 ST ANG SEN SIGNAL

4 |

- C1109 BATTERY VOLTAGE [ABNORMAL]
- C1111 PUMP MOTOR
- C1114 MAIN RELAY

5 |

- C1101 RR RH SENSOR-1
- C1102 RR LH SENSOR-1
- C1103 FR RH SENSOR-1
- C1104 FR LH SENSOR-1
- C1105 RR RH SENSOR-2
- C1106 RR LH SENSOR-2
- C1107 FR RH SENSOR-2
- C1108 FR LH SENSOR-2
- C1113 G-SENSOR
- C1115 ABS SENSOR [ABNORMAL SIGNAL]
- C1116 STOP LAMP SW
- C1120 FR LH IN ABS SOL
- C1121 FR LH OUT ABS SOL
- C1122 FR RH IN ABS SOL
- C1123 FR RH OUT ABS SOL
- C1124 RR LH IN ABS SOL
- C1125 RR LH OUT ABS SOL
- C1126 RR RH IN ABS SOL
- C1127 RR RH OUT ABS SOL
- C1142 PRESS SEN CIRCUIT
- C1143 ST ANG SEN CIRCUIT
- C1145 YAW RATE SENSOR
- C1146 SIDE G-SEN CIRCUIT
- C1160 DECEL G SEN SET
- C1162 PRESS SEN SET
- C1164 CV1
- C1165 CV2
- C1166 SV1
- C1167 SV2
- C1193 VALVE SET

6 |

- C1155 BR FLUID LEVEL LOW