Toyota Corolla Cross: Continuously Variable Transaxle System
Toyota Corolla Cross (2022-2025) Service Manual / Drivetrain / K120f (cvt) / Continuously Variable Transaxle System
- Precaution
- Definition Of Terms
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Road Test
- Mechanical System Tests
- Hydraulic Test
- Registration
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Check Mode Procedure
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- VEHICLE CONTROL HISTORY (RoB)
- Crankshaft Position Sensor "A" No Signal (P033531)
- Control Module Performance Bank 1 Watchdog/Safety MCU Failure (P060747)
- TCM Processor Watchdog/Safety MCU Failure (P061347)
- Internal Control Module EEPROM Data Memory Failure (P062F44)
- Brake Switch "B" Circuit Short to Battery (P070312)
- Transmission Range Sensor "A" Circuit Open (P070513,P070562)
- Transmission Fluid Temperature Sensor "A" Circuit Range/Performance (P071000)
- Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)
- Transmission Fluid Temperature Sensor "A" Circuit Short to Battery or Open (P071015)
- Input/Turbine Speed Sensor "A" Circuit Short to Battery (P071512,P071514,P071531)
- Output Speed Sensor Circuit Short to Battery (P072012,P072014,P072031)
- Pressure Control Solenoid "A" Circuit Short to Battery (P074512)
- Pressure Control Solenoid "A" Circuit Short to Ground or Open (P074514)
- Pressure Control Solenoid "A" Actuator Stuck Off (P07457F)
- Pressure Control Solenoid "B" Circuit Short to Ground or Open (P077514)
- Pressure Control Solenoid "B" Actuator Stuck Off (P07757F)
- Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance (P084000,P28287F)
- Transmission Fluid Pressure Sensor/Switch "A" Circuit Short To Ground (P084011)
- Transmission Fluid Pressure Sensor/Switch "A" Circuit Short To Battery or Open (P084015)
- Pressure Control Solenoid "M" Circuit Short to Battery (P08C312)
- Pressure Control Solenoid "M" Circuit Short to Ground or Open (P08C314)
- Pressure Control Solenoid "M" Actuator Stuck Off (P08C37F,P091400)
- Gear Shift Position Circuit Short to Battery (P091412)
- Gear Shift Position Circuit Short to Ground or Open (P091414)
- AT Solenoids Operation Shutdown Circuit Stuck Off (P17029F)
- AT Solenoid Output Malfunction (P170300)
- Intermediate Shaft Speed Sensor "B" Circuit Short to Battery (P274512,P274514,P274531)
- Intermediate Shaft Speed Sensor "C" Circuit Short to Battery (P274912,P274914,P274931)
- Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off (P275600,P27567E)
- Torque Converter Clutch Pressure Control Solenoid Control Circuit Short to Battery (P275612)
- Torque Converter Clutch Pressure Control Solenoid Control Circuit Short to Ground or Open (P275614)
- Pressure Control Solenoid "J" Performance/Stuck Off (2 Trip Detected) (P281F00,P281F71)
- Pressure Control Solenoid "J" Circuit Short to Battery (P281F12)
- Pressure Control Solenoid "J" Circuit Short to Ground or Open (P281F14)
- Pressure Control Solenoid "K" Circuit Short to Battery (P282812)
- Pressure Control Solenoid "K" Circuit Short to Ground or Open (P282814)
- Lost Communication with ECM/PCM "A" Missing Message (U010087)
- Lost Communication With Brake System Control Module Missing Message (U012987)
- Lost Communication with Stop and Start Control Module Missing Message (U110387)
- Transmission Control Switch Circuit
- ECU Power Source Circuit
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Precaution
PRECAUTION
PRECAUTION
NOTICE:
If Continuously Variable Transaxle (CVT) parts are replaced, perform the
following as necessary: Parts Replacement Compensation Table
*1: When replaci
Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor description
Description of what the TCM monitors and how it detects malfunctions
(monitoring purpose
Parts Location
PARTS LOCATION
ILLUSTRATION
*1
TCM
*2
ECM
*3
BRAKE ACTUATOR ASSEMBLY
- SKID CONTROL ECU
*4
NO. 1 EN
SEE MORE:
Check Bus 5 Line
DESCRIPTION
Symptom
Trouble Area
There are ECUs or sensors that display a communication stop on the bus
diagnostic screen. Or, there are ECUs or sensors that display communication
stop history on the "Detail" screen.
CAN main
Left Curtain Deployment Control 1 Circuit Resistance Below Threshold (B00211A)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B00211A Left Curtain Deployment Control 1 Circuit Resistance Below Threshold
One of the following conditions is met:
The airbag ECU assembly
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