DESCRIPTION
This DTC is stored when the power management control ECU detects a CAN communication error inside the power management control ECU (power control article - HV control article).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| U0293 | Lost Communication with HV ECU | CAN communication error inside the power management control ECU (power control article - HV control article) (1-trip detection logic*) | AM2 fuse Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 10 seconds or more. |
- *: Only detected while a malfunction is present and the power switch is on (IG).
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| There is no effect on vehicle behavior. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| U0293 |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 97
These DTCs are stored when there is a CAN communication error between the power management control ECU, certification ECU (smart key ECU assembly), ECM, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option connector (bus buffer ECU) cannot be received.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| U0100 | Lost Communication with ECM / PCM | CAN communication error between certification ECU (smart key ECU assembly) and ECM (1-trip detection logic*) | ECM | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 10 seconds or more. |
| U0140 | Lost Communication with Main Body ECU | CAN communication error between power management control ECU and main body ECU (multiplex network body ECU) (1-trip detection logic*) | Main body ECU (multiplex network body ECU) | DTC Output Confirmation Operation: Always |
| U0142 | Lost Communication with Main Body ECU | CAN communication error between certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU) (1-trip detection logic*) | Main body ECU (multiplex network body ECU) | DTC Output Confirmation Operation: Always |
| U0155 | Lost Communication with Combination Meter | CAN communication error between power management control ECU or certification ECU (smart key ECU assembly) and combination meter assembly (1-trip detection logic*) | Combination meter assembly | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 10 seconds or more. |
| U0293 | Lost Communication with Hybrid Vehicle Control System | CAN communication error between certification ECU (smart key ECU assembly) and power management control ECU (1-trip detection logic*) | Power management control ECU | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 10 seconds or more. |
| U1117 | Lost Communication with Accessory Gateway | Data from the option connector (bus buffer ECU) cannot be received. | Connector and branch wire of sub bus 2 of option connector (bus buffer ECU) Internal malfunction of option connector (bus buffer ECU) | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 10 seconds or more. |
- *: Only detected while a malfunction is present.
| DTC No. | Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|---|
| U0100 | There is no effect on vehicle behavior. | |
| U0140 | The warning (meter buzzer) does not sound and the meter does not indicate a warning. | |
| U0142 | Doors cannot be locked or unlocked. The warning (meter buzzer) does not sound and the meter does not indicate a warning. | |
| U0155 | The warning (meter buzzer) does not sound and the meter does not indicate a warning. There is no effect on vehicle behavior. | |
| U0293 | The warning (meter buzzer) does not sound and the meter does not indicate a warning. | |
| U1117 | The hybrid control system cannot be started using the wireless remote control function. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| U0100 U0140 U0142 U0155 U0293 U1117 |
RELATED DATA LIST AND ACTIVE TEST ITEMS
This DTC is stored when a malfunction is detected in the READY signal circuit inside the power management control ECU.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2286 | Runnable Signal Malfunction | READY signal error inside the power management control ECU. (1-trip detection logic*) | AM2 fuse Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 20 seconds or more. |
- *: Only detected while a malfunction is present and the power switch is on (IG).
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The power source mode does not change to on (READY). |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2286 | Power Source Control Ready Signal |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 98
This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator assembly) via direct line and the steering lock position signal sent via LIN communication do not match.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2285 | Steering Lock Position Signal Circuit Malfunction | The steering lock position signal sent by the steering lock ECU (steering lock actuator assembly) via direct line and the steering lock position signal sent via LIN communication do not match. (1-trip detection logic*) | AM2 fuse Steering lock ECU (steering lock actuator assembly) Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Disconnect the cable from the negative (-) auxiliary battery terminal, wait 30 seconds and then reconnect the cable to the negative (-) auxiliary battery terminal. Wait 40 seconds or more with the power switch off (with the steering locked), then turn the power switch on (ACC) (steering unlocked) and wait 40 seconds or more. |
- *: Only detected while a malfunction is present and the power switch is on (IG).
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The hybrid control system cannot be started. | The ECU does not send a hybrid control system start request. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2285 | Power Source Control Steering Unlock Switch Smart Key Power Supply Short Motor Driver Short Lock Bar Stuck Error |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 99
This DTC is stored when the brake signal sent via direct line and the brake signal sent via CAN communication do not match.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2284 | Brake Signal Malfunction | The brake signal sent via direct line and the brake signal sent via CAN communication do not match. (1-trip detection logic*) | AM2 fuse STOP fuse Stop light switch assembly Hybrid control system Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Connect the cable to the negative (-) auxiliary battery terminal, release the brake pedal and wait 20 seconds or more. Then depress the brake pedal for 20 seconds or more. |
- *: Only detected while a malfunction is present and the power switch is on (IG).
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| With the electrical key transmitter sub-assembly in the cabin, even if a hybrid control system start operation is performed, the hybrid control system does not start (the indicator in the combination meter is not illuminated). However, the hybrid control system can be started by turning the power switch on (ACC) and then pressing and holding it. If there is a malfunction when the direct line is on, the hybrid control system can be started by pressing the power switch with the brake pedal released. If there is a malfunction when the direct line is off, the hybrid control system cannot be started by pressing the power switch with the brake pedal depressed. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2284 | Power Source Control Stop Light Switch1 Hybrid Control Stop Light Switch |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 100
DTC B2282 is stored when the vehicle speed signal sent by the combination meter assembly via direct line and the vehicle speed signal sent via CAN communication do not match.
DTC B2283 is stored when a malfunction in the vehicle speed sensor is detected.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2282 | Vehicle Speed Signal Malfunction | The vehicle speed signal sent by the combination meter assembly via direct line and the vehicle speed signal sent via CAN communication do not match. (1-trip detection logic*) | AM2 fuse Meter/gauge system Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Drive the vehicle at a vehicle speed of 25 km/h (16 mph) or more for 20 seconds, and then drive the vehicle at a vehicle speed of less than 5 km/h (3 mph) for 20 seconds. |
| B2283 | Vehicle Speed Sensor Malfunction | Vehicle speed signal malfunction is detected (excessive deceleration is detected). (1-trip detection logic*) | AM2 fuse Meter/gauge system Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Drive the vehicle at a vehicle speed of 50 km/h (31 mph) or more for 20 seconds. |
- *: Only detected while a malfunction is present and the power switch is on (IG).
| DTC Code | Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|---|
| B2282 | When the signal sent via either direct line or CAN communication is malfunctioning and indicates that the vehicle speed is 0 km/h (0 mph), there is no effect on vehicle behavior. When the signal sent via either direct line or CAN communication is malfunctioning and indicates that the vehicle is moving, the power switch cannot be turned from on (IG) to off. | |
| B2283 | The power source mode is changed to off (the hybrid control system is stopped) by pressing the power switch while the vehicle is being driven. With the electrical key transmitter sub-assembly in the cabin, even if a hybrid control system start operation is performed, the hybrid control system does not start. | Steering lock motor operation is prohibited. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2282 B2283 | Power Source Control Vehicle Speed Signal Power Supply Condition Combination Meter Vehicle Speed Meter |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 101
This DTC is stored when a malfunction in the water submersion detection circuit in the power management control ECU is detected.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2277 | Detecting Vehicle Submersion | The water submersion detection circuit in the power management control ECU detects water submersion (1-trip detection logic*). | Power management control ECU | DTC Output Confirmation Operation: Wait 300 seconds after connecting the cable to the negative (-) auxiliary battery terminal. |
- *: Only detected while a malfunction is present.
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The power switch cannot be turned off and the hybrid control system cannot be started. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2277 |
RELATED DATA LIST AND ACTIVE TEST ITEMS
This DTC is stored when a malfunction is detected in the starter circuit inside the power management control ECU.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2275 | STSW Monitor Malfunction | Power management control ECU internal HV activation request output circuit malfunction or external circuit malfunction (1-trip detection logic*) | AM2 fuse Steering lock system Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Turn the power switch on (IG) and wait 10 seconds or more, then start the hybrid control system 3 times. |
- *: Only detected while a malfunction is present and the power switch is on (IG).
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The power source mode changes to on (READY) even though the hybrid control system is not started. The power source mode does not change to on (READY) even though the hybrid control system is started. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2275 | Power Source Control Starter Request Signal |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 102
This DTC is stored when a malfunction in the IG circuit and IG hold circuit in the power management control ECU is detected.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2271 | Ignition Hold Monitor Malfunction | When either of the following conditions is met (1-trip detection logic*1): The IG circuit in the power management control ECU is malfunctioning.*2 The IG hold circuit in the power management control ECU is malfunctioning.*3 | AM2 fuse Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Turn the power switch on (IG). |
- *1: Only detected while a malfunction is present and the power switch is on (IG).
- *2: The IG circuits activate the IG relay.
- *3: After the IG circuit turns on, even if the power management control ECU malfunctions, the IG hold circuit maintains the power source mode in on (IG).
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The power switch cannot be turned on (IG) (the hybrid control system cannot be started). | The power source mode cannot be changed to on (IG). |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2271 | Power Source Control IG Relay Monitor (Inside) Latch Circuit |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 103
This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit that goes from the ACC output terminal of the power management control ECU to the ACC relay.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2274 | ACC Monitor Malfunction | Malfunction in the ACC relay circuit in the power management control ECU or in the external circuit (1-trip detection logic*). HINT: When the voltage at terminal ACCD is not at the standard, the system is determined to be malfunctioning. | AM2 fuse Instrument panel junction block assembly Power management control ECU Wire harness or connector | DTC Output Confirmation Operation: Wait 10 seconds after turning the power switch on (ACC) or on (IG), and then wait another 10 seconds after turning the power switch off. |
- *: Only detected while a malfunction is present.
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| If there is a malfunction due to the ACC relay being stuck on, the ACC relay does not turn off even though the power switch is off. If there is a malfunction due to the ACC relay being stuck off, the ACC relay does not turn on even though the power switch is on (ACC). HINT: The power switch can be turned on (IG) and the hybrid control system can be started. |
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| DTC No. | Data List and Active Test |
|---|---|
| B2274 | Power Source Control ACC Relay Monitor |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 104
If any of the following operations are performed, the power management control ECU receives a signal, and changes the power source mode.
- With the electrical key transmitter sub-assembly in the cabin, the power switch is pressed.
- When the transmitter battery of the electrical key transmitter sub-assembly is depleted, the brake pedal is depressed with the electrical key transmitter sub-assembly held near the power switch.
- When the smart key system has been canceled, the brake pedal is depressed with the electrical key transmitter sub-assembly held near the power switch.
| Problem Symptom | Data List and Active Test |
|---|---|
| Power source mode does not change to on (IG) or on (ACC) | Power Source Control Start Switch1 Start Switch2 IG Relay Monitor (Inside) ACC Relay Monitor IG Relay Monitor (Outside) Latch Circuit Power Supply Condition |
RELATED DATA LIST AND ACTIVE TEST ITEMS
Scheme 105
If the power switch is pressed with the electrical key transmitter sub-assembly in the cabin, the power management control ECU receives a signal and changes the power source mode.
| Problem Symptom | Data List and Active Test |
|---|---|
| Power source mode does not change to on (IG) but does change to on (ACC) | Power Source Control Power Supply Condition IG Relay Monitor (Inside) IG Relay Monitor (Outside) |
RELATED DATA LIST AND ACTIVE TEST ITEMS
If the power switch is pressed with the electrical key transmitter sub-assembly in the cabin, the power management control ECU receives a signal and changes the power source mode.
| Problem Symptom | Data List and Active Test |
|---|---|
| Power source mode does not change to on (ACC) but does change to on (IG) | Power Source Control Power Supply Condition ACC Relay Monitor |
RELATED DATA LIST AND ACTIVE TEST ITEMS
When the electrical key transmitter sub-assembly is in the cabin and the power switch is pressed, the power management control ECU receives a signal and changes the power source mode. In addition, when the power switch is pressed with the shift lever in P and the brake pedal depressed, the hybrid control system turns on (READY).
| Problem Symptom | Data List and Active Test |
|---|---|
| Power source mode does not change to ON (READY) | Power Source Control Stop Light Switch1 Steering Unlock Switch Shift P Signal IG Relay Monitor (Inside) IG Relay Monitor (Outside) Latch Circuit Starter Request Signal Power Supply Condition Smart Key Immobilizer Engine Start Request L Code Check |
RELATED DATA LIST AND ACTIVE TEST ITEMS