Toyota Corolla Cross: Continuously Variable Transaxle System
Toyota Corolla Cross (2022-2025) Service Manual / Drivetrain / K120 (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
- Diagnosis System
- Dtc Check / Clear
- Check Mode Procedure
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- VEHICLE CONTROL HISTORY (RoB)
- Control Module Performance Bank 1 Watchdog/Safety MCU Failure (P060747)
- TCM Processor Watchdog/Safety MCU Failure (P061347)
- 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 Battery (P077512)
- 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 CAN Communication Connection
DESCRIPTION
Symptom
Trouble Area
Check CAN Communication Connection
CAN main bus line, CAN branch line or connector
Power source circuit of central gateway ECU (network gateway ECU)
Central gateway ECU (network gateway ECU) ground
Freeze Frame Data
FREEZE FRAME DATA HINT: The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored.
CHECK FREEZE FRAME DATA (a) Select the DTCs (with snow icon) for which freeze frame data is recorded. Body Electrical > Air Conditioner > Trouble Codes
LIST OF
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