Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Honda Insight StandardFACTORY OEM SERVICE PROCEDURE
Section 99 (Multiplex Integrated Control System)
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
- Multiplex Integrated Control System
- General Troubleshooting Information
- DTC Troubleshooting Index
- System Description
- 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
- Troubleshooting - B-CAN System Diagnosis Test Mode 1 and Test Mode 2 (without the HDS)
- Gauge Control Module DTC Display
- Circuit Diagram
- DTC Index
- DTC Troubleshooting
- DTC B1000: Communication Bus Line Error
- DTC B1050: Communication Bus Line Error
- DTC B1100: Communication Bus Line Error
- DTC B1150: Communication Bus Line Error
- DTC B1200: Communication Bus Line Error
- DTC B1250: Communication Bus Line Error
- DTC B1350: Communication Bus Line Error
- DTC B1550: Communication Bus Line Error
- DTC B1800: Communication Bus Line Error
- DTC B1950: Communication Bus Line Error
- DTC B2000: Communication Bus Line Error
- DTC B2050: Communication Bus Line Error
- DTC B1001: MICU CPU Error
- DTC B1002: MICU EEPROM Error
- DTC B1005: MICU Lost Communication with Relay Control Module
- DTC B1006: MICU Lost Communication with Door Multiplex Control Unit (Door Lock Switch Message)
- DTC B1007: MICU Lost Communication with Combination Switch Control Unit (Headlight Switch Message)
- DTC B1008: MICU Lost Communication with Gauge Control Module (A/T Message)
- DTC B1012: MICU Lost Communication with MICU-Rear Junction Box (RJU Message)
- DTC B1080: Power Supply Circuit (IG1 Line) Input Error for Relay Control Module and MICU
- DTC B1102: Door Multiplex Control Unit Internal Error
- DTC B1105: Door Multiplex Control Unit Lost Communication with MICU (Door Switch Message)
- DTC B1106: Door Multiplex Control Unit Lost Communication with MICU (MICU Message)
- DTC B1955: MICU-Rear Junction Box Lost Communication with MICU (MICU Message)
- DTC B1956: MICU-Rear Junction Box Lost Communication with Gauge Control Module (A/T Message)
- DTC B1957: MICU-Rear Junction Box Lost Communication with Combination Switch Control Unit (Headlight Switch Message)
- DTC B1958: MICU-Rear Junction Box Unit Lost Communication with Combination Switch Control Unit (Wiper Switch Message)
- DTC B1959: MICU-Rear Junction Box Lost Communication with Relay Control Module (R/M Message)
- DTC B1960: MICU-Rear Junction Box Lost Communication with Climate Control Unit (A/C Message)
- Multiplex Integrated Control Unit Input Test
- Gauge Control Module Input Test
- Door Multiplex Control Unit Input Test
- Combination Switch Control Unit Input Test
- Relay Control Module Input Test
- MICU - Rear Junction Box Input Test
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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