Section 124 (Multiplex Integrated Control System)
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Component Location index
- General Troubleshooting Information
- DTC Troubleshooting Index
- System Description
- Body Controller Area Network (B-CAN) and Fast Controller Area Network (F-CAN)
- Gateway Function
- Network "Loss of Communication" Error Checking Function
- MICU
- Power Supply Voltage Monitoring Function
- Entry Lights Control System (Ceiling Lights, Ignition Key Light)
- Back-up Lights
- Turn Signal/Hazard Warning Lights
- Collision Detection Signal (CDS)
- Automatic Lighting System*
- Headlight Washer Operation
- Key Interlock
- Power Door Locks (Unlock all doors and tailgate at the same time)*
- Power Door Locks (Unlock only the driver's door first)*
- Door Lock Response Operation
- Keyless Entry System (Unlock all doors and tailgate at the same time)41
- Keyless Entry System (Unlock only the driver's door first)*
- Answer Back Response Operation
- Auto Power Door Locks (LOCK operation)*
- Auto Power Door Locks (UNLOCK operation)*
- Security Alarm System
- Prevention of Key Locked Inside Vehicle
- Interior Lights Reminder
- Power Mirror Operation
- Rear MICU
- Relay Control Module
- Exterior Lights
- Daytime Running Lights
- Automatic Lighting System*
- Interior Illuminations*
- Exterior Lights Shutoff System*
- Fog lights
- Windshield Wiper/Washer (Normally operation)
- Windshield Wiper (Vehicle Speed Sense)*
- Rear Window Washer
- Security Alarm System
- Security Answer Back*
- Keyless Panic Function
- Headlight Washer
- HDS Inputs and Commands
- Troubleshooting - B-CAN System Diagnosis Test Mode A
- Troubleshooting - B-CAN System Diagnosis Test Mode B
- Troubleshooting - B-CAN System Diagnosis Test Mode C
- Troubleshooting - B-CAN System Diagnosis Test Mode D
- Sleep and Wake-Up Mode Test
- Circuit Diagram
- DTC Troubleshooting
- DTC B1000: Communication Bus Line Error
- DTC B1001: MICU Internal Error (CPU error); DTC B1002: MICU Internal Error (EEPROM error)
- DTC B1005: MICU Lost Communication with Relay Control Module (RM Message)
- DTC B1007: MICU Lost Communication with Combination Switch Control Unit (HLSW Message)
- DTC B1011: MICU Lost Communication with Gauge Control Module (VSP/NE Message)
- DTC B1012: MICU Lost Communication with Rear MICU (RJU Message)
- DTC B1013: MICU Lost Communication with Driver's MPCS Unit ASLOCKSW Message); DTC B1015: MICU Lost Communication with Driver's MPCS Unit (DRLOCKSW Message)
- DTC B1032: MICU Lost Communication with SRS Unit (CDS Message)
- DTC B1080: Power Supply Circuit (IG1 Line) Input Error for Relay Control Module and MICU
- DTC B1050: Communication Circuit Error (BUS-OFF); DTC B1150: Communication Circuit Error (BUS-OFF); DTC B1200: Communication Circuit Error (BUS-OFF); DTC B1250: Communication Circuit Error (BUS-OFF); DTC B1350: Communication Circuit Error (BUS-OFF); DTC B1800: Communication Circuit Error (BUS-OFF); DTC B1900: Communication Circuit Error (BUS-OFF); DTC B1950: Communication Circuit Error (BUS-OFF); DTC B2150: Communication Circuit Error (BUS-OFF)
- DTC B2152: Driver's MPCS Unit Internal Error (EEPROM error)
- DTC B2155: Driver's MPCS Unit Lost Communication with MICU (MICU Message); DTC B2156: Driver's MPCS Unit Lost Communication with MICU (MIRRORSW Message); DTC B2161: Driver's MPCS Unit Lost Communication with MICU (DOORSW Message)
- DTC B2157: Driver's MPCS Unit Lost Communication with Gauge Control Module (ILLUMI Message); DTC B2160: Driver's MPCS Unit Lost Communication with Gauge Control Module (VSP/NE Message)
- DTC B2162: Driver's MPCS Unit Lost Communication with Relay Control Module (RM Message)
- DTC U1280: Communication Bus Line Error (BUS-OFF)
- MICU Input Test
- Relay Control Module Input Test
- Driver's MPCS Unit Input Test
- Rear MICU Input Test