B1062

Factory Manual References

Factory service manual diagnostic procedure for 2012 acura rl

A L L Diagnostic Trouble Codes ( DTC )

B1007




DTC Troubleshooting: B1007

DTC B1007:

MICU Lost Communication With Combination Switch Control Unit (Headlight Switch Message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTC B1007 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the MICU and combination switch control unit, if the connections are good, check the battery condition Battery Test and the charging system.

5. Check for DTCs with the HDS.

Are DTCs B1062, B1155, and B2108 all indicated?

YES -

Do the combination switch control unit input test Testing and Inspection.

NO -

Check for an open in the communication circuit between the MICU and the gauge control module. If the circuit is OK, Faulty MICU; replace the driver's under-dash fuse/relay box Drivers Under-Dash Fuse/Relay Box (MICU) Removal/Installation. If the circuit is bad, repair the open.

B1062




DTC Troubleshooting: B1062, B1063

DTC B1062:

Relay Control Module Lost Communication With Combination Switch Control Unit (Headlight Switch Message)

DTC B1063:

Relay Control Module Lost Communication With Combination Switch Control Unit (Wiper Switch Message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for at least 6 seconds.

4. Check for DTCs with the HDS.

Is DTCs B1062 and/or B1063 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the relay control module and combination switch control unit.

5. Check for DTCs with the HDS.

Are DTCs B1007, B1155, B1156, and B2108 all indicated?

YES -

Do the combination switch control unit input test Testing and Inspection.

NO -

Do the relay control module input test Testing and Inspection.

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

A/C Leak Detection (B07-025)

Diagram

A/C Compressor Clutch Connector End View (View 21)

Diagram

A/C Compressor Connector End View (View 150)

Diagram

A/C Condenser Fan Motor Connector End View (View 22)

Diagram

A/C Pressure Sensor Connector End View (View 151)

Diagram

A/T Clutch Pressure Control Solenoid Valve A Connector End View (View 23)

Location

Accessory Power Sockets

Location

ACURALINK

Location

Adaptive Cruise Control (Acc)

Location

Audio System

Fuse/Relay

Dashboard

Fuse/Relay

Door

Fuse/Relay

B18-020: Warranty Extension: Customer Support Program For Driver's Airbag Inflator For 2013-14 ILX Hybrid And Other Listed Years And Models (Expires February 28, 2026) (B18-020)

Fuse/Relay

2012 RL: TQI Information (11-030)

Related Procedures

Procedure

A/C Refrigerant (Compressor) Oil Guide (BJA34004)

Procedure

A/C Refrigerant And Oil Type Guide (BJA1330)

Procedure

A/C Refrigerant Type Guide (BJA11220)

Procedure

A/C Refrigerant Types Guide (BJA09917 VERSION 2)

Procedure

Always Enter Campaign Number On Proof Of Correction Certificate (B13010B)

Procedure

ACURA Recommended Materials (B99-015)

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