Toyota Corolla Cross: VEHICLE CONTROL HISTORY (RoB)
Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Door / Hatch / Power Back Door System / VEHICLE CONTROL HISTORY (RoB)
VEHICLE CONTROL HISTORY (RoB)
NOTICE:
- If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before vehicle control history (RoB) has been read out and saved, the vehicle control history (RoB) information could be lost.
- The function "Read Vehicle Control History (RoB)" uses the current system time setting inside the GTS and the time counter inside the controlling ECU to calculate the timings shown in the vehicle control history (RoB). For this reason, before reading out the vehicle control history (RoB), first make sure that the GTS system clock is accurately set to the current time.
- The time counter in the control ECU may deviate by up to +/- 10% due to the characteristics of the time counter.
- The time counter in the control ECU is reset approximately 34 days before the "Current" value due to the characteristics of the time counter. Therefore, the time information stored before the 34th day may not be accurately displayed.
VEHICLE CONTROL HISTORY (RoB)
HINT:
Vehicle Control History (RoB): The main body ECU (multiplex network body ECU) records the power back door system vehicle control history (RoB), which can be read out using the GTS.
(a) Enter the following menus: Body Electrical / Back Door / Utility / Vehicle Control History (RoB).
Body Electrical > Back Door > Utility|
Tester Display |
|---|
| Vehicle Control History (RoB) |
|
RoB Code | RoB Item |
Item description |
|---|---|---|
| X283E |
Back Door Operation History |
Memorize the factors when the power back door operated |
|
X2903 | Back Door Non-Operation History |
Memorize the factors when the power back door non-operation |
Symptom Simulation
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Back Door Motor Internal Electronic Failure (B222049)
DESCRIPTION This DTC is stored when the multiplex network door ECU detects a malfunction of the motor built-into the power back door unit assembly set LH or power back door unit assembly set RH.
PBD Unit Pulse Sensor LH Circuit No Signal (B222631)
DESCRIPTION This DTC is output when the multiplex network door ECU detects a power back door unit assembly set LH pulse malfunction.
DTC No. Detection Item
DTC Detection Condition Trouble
PBD Unit Pulse Sensor RH Circuit No Signal (B222731)
DESCRIPTION This DTC is output when the multiplex network door ECU detects a power back door unit assembly set RH pulse malfunction.
DTC No. Detection Item
DTC Detection Condition Trouble
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Symptom Factor
Cooling effectiveness is poor
Cooling response is slow
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CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses of circuits related to this system before performing the following procedure.
Before replacing the main body ECU (multiplex network body EC
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