Toyota Corolla Cross: Blind Spot Monitor System
Toyota Corolla Cross (2022-2025) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Blind Spot Monitor System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- VEHICLE CONTROL HISTORY (RoB)
- Outer Mirror Indicator (Module "B" Side) Circuit Short to Ground (C1AB411)
- Outer Mirror Indicator (Module "B" Side) Circuit Short to Battery (C1AB412)
- Outer Mirror Indicator (Module "B" Side) Circuit Open (C1AB413)
- Outer Mirror Indicator (Module "A" Side) Circuit Short to Ground (C1AB511)
- Outer Mirror Indicator (Module "A" Side) Circuit Short to Battery (C1AB512)
- Outer Mirror Indicator (Module "A" Side) Circuit Open (C1AB513)
- Rear Side Radar Sensor (Module "B") System Internal Failure (C1AB604)
- Rear Side Radar Sensor (Module "A") System Internal Failure (C1AB704)
- Rear Side Radar Sensor (Module "B") Beam Axis Misalignment (Horizontal) (C1AC100)
- Rear Side Radar Sensor (Module "A") Beam Axis Misalignment (Horizontal) (C1AC200)
- Lost Communication with ECM/PCM "A" Missing Message (U010087,U012687,U012987,U014087,U029387,U111087)
- Lost Communication with Side Obstacle Detection Control Module "A" Missing Message (U023287)
- Lost Communication with Side Obstacle Detection Control Module "B" Missing Message (U023387)
- Software Incompatibility with Body Control Module Not Programmed (U032251,U032257)
- Power Source Circuit
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Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY
TERMINAL
NOTICE:
After the ignition switch is turned off, there may be a waiting
time before disconnecting the nega
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
w/ Parking Assist Monitor System
*B
for Gasoline Model
*C
for HEV Model
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System Diagram
SYSTEM DIAGRAM
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Disconnect the I55 and I253 radio and display receiver assembly
connectors.
(b) Measure the voltage and resistance according to the value(s)
in the table below.
Terminal No. (Symbol)
Terminal Description
IG Circuit Short to Ground (B227111)
DESCRIPTION This DTC is stored when a malfunction in the IG drive circuit or IG hold circuit of the certification ECU (smart key ECU assembly) or a malfunction in the IG output circuit between the output terminal of the certification ECU (smart key ECU assembly) and IG relay is detected.
DTC N
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