DTC C1106[A3] Battery Voltage High (Radar Sensor (Left))

1. Radar sensor system check

Refer to "75.Driver Assistance System 10W.Troubleshooting(Radar Sensor (Left)) Diagnostic system check-radar sensor system".

2. Vehicle maintenance check

1) Ask the driver if the battery charger has been recently connected or jump starting has been performed. Has the battery charger been connected or has jump starting been performed?

Note

  • Jump starting and overcharging by the battery charger may cause the DTC to be set.

Yes

=>Go to Repair verification.

No

=>Go to Ignition voltage check.

3. Ignition voltage check

1) Observe the Power Supply Voltage parameter on the scan tool. Is the Power Supply Voltage parameter more than or equal to the specified value?

Value: 16 V

Yes

=>Go to Charging system inspection.

No

Go to Intermittent conditions of radar sensor system.

Refer to "233.Driver Assistance System 46D.Symptom(Radar Sensor) intermittent conditions of radar sensor system".

4. Charging system inspection

Refer to "1.Engine 1J.Electrical(4JJ3 with DPD) generator inspection".

Refer to "1.Engine 1J.Electrical(4JJ3 without DPD) generator inspection".

Refer to "1.Engine 1J.Electrical(RZ4E-TC) generator inspection".

Refer to "202.Engine 15C.Functional Inspection(4JJ3 with DPD) charging system check".

Refer to "202.Engine 15C.Functional Inspection(4JJ3 without DPD) charging system check".

Refer to "202.Engine 15C.Functional Inspection(RZ4E-TC) charging system check".

1) Inspect the charging system. Is the result normal?

Yes

=>Go to Radar sensor (Left) replacement.

No

Repair the charging system.

=>Go to Repair verification.

5. Radar sensor (Left) replacement

Note

  • Perform programming after replacing the radar sensor (Left).

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. radar sensor removal".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. radar sensor installation".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. radar sensor setting".

Procedure completion

=>Go to Repair verification.

6. Repair verification

1) Reconnect all of the disconnected harness connectors.

2) Clear the DTC with a scan tool.

3) Turn OFF the ignition switch for 30 seconds or more.

4) Turn ON the ignition switch.

5) Observe the DTC information with a scan tool.