Diagnostic Trouble Code Table
HINT:
If the normal codes for the pre-collision system and CAN communication system are output but the following problem symptoms are present, perform the malfunction diagnosis by following the "Suspected Area" procedures below.
PRE-COLLISION SYSTEM
| DTC Code | Detection Item | Trouble Area | Output ECU (Tester Item) | Reference |
|---|---|---|---|---|
| B2000 | Short to B+ in Seat Belt Motor RH Circuit | - Front seat outer belt RH - Harness and connector - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2000: Short to B+ in Seat Belt Motor RH Circuit |
| B2001 | Short to GND in Seat Belt Motor RH Circuit | - Front seat outer belt RH - Harness and connector - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2001: Short to GND in Seat Belt Motor RH Circuit |
| B2002 | Open in Seat Belt Motor RH Circuit | - Front seat outer belt RH - Harness and connector - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2002: Open in Seat Belt Motor RH Circuit |
| B2005 | Short to B+ in Seat Belt Motor LH Circuit | - Front seat outer belt LH - Harness and connector - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2005: Short to B+ in Seat Belt Motor LH Circuit |
| B2006 | Short to GND in Seat Belt Motor LH Circuit | - Front seat outer belt LH - Harness and connector - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2006: Short to GND in Seat Belt Motor LH Circuit |
| B2007 | Open in Seat Belt Motor LH Circuit | - Front seat outer belt LH - Harness and connector - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2007: Open in Seat Belt Motor LH Circuit |
| B2015 | Open in Right Side Upper MOS | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2015: Open in Right Side Upper MOS |
| B2016 | Open in Right Side Lower MOS | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2016: Open in Right Side Lower MOS |
| B2020 | Open in Left Side Upper MOS | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2020: Open in Left Side Upper MOS |
| B2021 | Open in Left Side Lower MOS | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2021: Open in Left Side Lower MOS |
| B2025 | Right Side Current Detection Circuit Malfunction Hi | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2025: Right Side Current Detection Circuit Malfunction Hi |
| B2026 | Right Side Current Detection Circuit Malfunction Lo | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2026: Right Side Current Detection Circuit Malfunction Lo |
| B2027 | Right Side Over-Current Malfunction | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2027: Right Side Over-Current Malfunction |
| B2030 | Left Side Current Detection Circuit Malfunction Hi | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2030: Left Side Current Detection Circuit Malfunction Hi |
| B2031 | Left Side Current Detection Circuit Malfunction Lo | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2031: Left Side Current Detection Circuit Malfunction Lo |
| B2032 | Left Side Over-Current Malfunction | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2032: Left Side Over-Current Malfunction |
| B2035 | Power Supply Relay Adherence Malfunction | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2035: Power Supply Relay Adherence Malfunction |
| B2036 | Power Supply Relay Malfunction Open | - Harness or connector - Fuse - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2036: Power Supply Relay Malfunction Open |
| B2040 | EEPROM Malfunction | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2040: EEPROM Malfunction |
| B2041 | Fall of Raised Voltage | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2041: Fall of Raised Voltage |
| B2043 | Fall of B+ Voltage | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2043: Fall of B+ Voltage |
| B2047 | Seat Belt Control ECU Inner Circuit Malfunction | - Seat belt control ECU | Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2047: Seat Belt Control ECU Inner Circuit Malfunction |
| B2060 | ABS Malfunction | - Electronically controlled brake system - CAN communication system - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2060: ABS Malfunction |
| B2064 | Vehicle Type Signal Malfunction | - Main body ECU - CAN communication system - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2064: Vehicle Type Signal Malfunction |
| B2074 | Driver Side Seat Belt Buckle Switch Circuit Malfunction | - Front seat outer belt LH - Center airbag sensor - CAN communication system - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2074: Driver Side Seat Belt Buckle Switch Circuit Malfunction |
| B2075 | Passenger Side Seat Belt Buckle Switch Circuit Malfunction | - Front seat outer belt RH - Center airbag sensor - Occupant classification ECU - CAN communication system - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2075: Passenger Side Seat Belt Buckle Switch Circuit Malfunction |
| B2090 | Driving Support System Malfunction | - Driving support system - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC B2090: Driving Support System Malfunction |
| C1A01 | Driving Support ECU | - Driving support ECU | Driving support ECU (Pre-Collision 2) | Refer to DTC C1A01: Driving Support ECU |
| C1A0A | Front Radar Sensor Region Code Mismatch | - Front millimeter wave radar sensor - Combination meter - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A0A: Front Radar Sensor Region Code Mismatch |
| C1A0C | Object Recognition Camera Region Code Mismatch | - Object recognition ECU - Combination meter - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A0C: Object Recognition Camera Region Code Mismatch |
| C1A10 | Front Radar Sensor | - Front millimeter wave radar sensor - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A10: Front Radar Sensor |
| C1A11 | Front Radar Sensor Incorrect Axial Gap | - Front millimeter wave radar sensor - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A11: Front Radar Sensor Incorrect Axial Gap |
| C1A14 | Front Radar Sensor Beam Axis Not Adjusted | - Front millimeter wave radar sensor - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A14: Front Radar Sensor Beam Axis Not Adjusted |
| C1A20 | Object Recognition ECU | - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A20: Object Recognition ECU |
| C1A21 | Object Recognition Camera | - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A21: Object Recognition Camera |
| C1A22 | Object Recognition Camera Incorrect Axial Gap | - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A22: Object Recognition Camera Incorrect Axial Gap |
| C1A23 | Object Recognition Camera Initialization Incomplete | - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A23: Object Recognition Camera Initialization Incomplete |
| C1A24 | Object Recognition Camera Image cannot be Recognized | - Windshield glass is dirty - Object recognition camera sensor is dirty - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A24: Object Recognition Camera Image cannot be Recognized |
| C1A25 | Object Recognition Camera Recognizing Distance Discrepancy | - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A25: Object Recognition Camera Recognizing Distance Discrepancy |
| C1A26 | Lost Communication with Gigabit Video Interface | - Harness and connector - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A26: Lost Communication with Gigabit Video Interface |
| C1A30 | Driver Monitor ECU | - Driver monitor ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A30: Driver Monitor ECU |
| C1A31 | Driver Monitor Camera | - Driver monitor camera - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A31: Driver Monitor Camera |
| C1A32 | Driver Monitor Image cannot be Recognized | - Driver monitor camera - Driver monitor ECU - CAN communication system - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A32: Driver Monitor Image cannot be Recognized |
| C1A40 | ENG/EHV Device | - Engine control system - ECT system - ECM - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A40: ENG/EHV Device |
| C1A41 | Brake Request Value Mismatch between ENG/EHV and Driving Support ECU | - Anti-lock brake system - Engine control system - ECM - Skid control ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A41: Brake Request Value Mismatch between ENG/EHV and Driving Support ECU |
| C1A46 | Yaw Rate Sensor | - Yaw rate sensor - Skid control ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A46: Yaw Rate Sensor |
| C1A47 | Steering Angle Sensor | - Steering angle sensor - Skid control ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A47: Steering Angle Sensor |
| C1A4A | Skid Control Buzzer Circuit | - Skid control buzzer - Skid control buzzer circuit - Skid control ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A4A: Skid Control Buzzer Circuit |
| C1A6A | Infrared Signal Circuit | - Headlight (Lo beam) - Headlight (Near infrared ray filter) - Harness and connector - Object recognition ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC C1A6A: Infrared Signal Circuit |
| U0100 | Lost Communication with ECM/PCM "A" | - ECM - CAN communication system - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U0100: Lost Communication with ECM/PCM "A" |
| U0122 | Lost Communication with Vehicle Dynamics Control Module | - Skid control ECU - CAN communication system - Seat belt control ECU - Driving support ECU |
- Seat belt control ECU (Pre-Collision 1) - Driving support ECU (Pre-Collision 2) |
Refer to DTC U0122: Lost Communication with Vehicle Dynamics Control Module |
| U0123 | Lost Communication with Yaw Rate Sensor Module | - Yaw rate sensor - CAN communication system - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U0123: Lost Communication with Yaw Rate Sensor Module |
| U0126 | Lost Communication with Steering Angle Sensor Module | - Steering angle sensor - CAN communication system - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U0126: Lost Communication with Steering Angle Sensor Module |
| U0140 | Lost Communication with Main Body ECU | - Main body ECU - CAN communication system - Seat belt control ECU - Driving support ECU |
- Seat belt control ECU (Pre-Collision 1) - Driving support ECU (Pre-Collision 2) |
Refer to DTC U0140: Lost Communication with Main Body ECU |
| U0151 | Lost Communication with Airbag ECU | - Center airbag sensor - CAN communication system - Seat belt control ECU |
Seat belt control ECU (Pre-Collision 1) | Refer to DTC U0151: Lost Communication with Airbag ECU |
| U0235 | Lost Communication with Cruise Control Front Distance Range Sensor | - Front millimeter wave radar sensor - CAN communication system - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor |
| U1104 | Lost Communication with Driving Support ECU | - Driving support ECU - CAN communication system - Front millimeter wave radar sensor - Object recognition ECU - ECM - Seat belt control ECU |
- Seat belt control ECU (Pre-Collision 1) - Driving support ECU (Pre-Collision 2) |
Refer to DTC U1104: Lost Communication With Driving Support ECU |
| U1119 | Lost Communication with Object Recognition ECU (CAN) | - CAN communication system - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U1119: Lost Communication with Object Recognition ECU (CAN) |
| U1119 | Lost Communication with Object Recognition ECU (Serial) | - Harness and connector - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U1119: Lost Communication with Object Recognition ECU (Serial) |
| U1120 | Lost Communication with Object Recognition Camera | - Harness and connector - Object recognition camera sensor - Object recognition ECU - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U1120: Lost Communication with Object Recognition Camera |
| U1121 | Lost Communication with Driver Monitor ECU | - Driver monitor ECU - CAN communication system - Driving support ECU |
Driving support ECU (Pre-Collision 2) | Refer to DTC U1121: Lost Communication with Driver Monitor ECU |