Toyota Corolla Cross: Immobiliser System (w/o Smart Key System)
Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Immobiliser System (w/o Smart Key System)
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Registration
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Push Switch / Key Unlock Warning Switch Malfunction (B2780)
- Antenna Coil Open / Short (B2784)
- Transponder Chip Malfunction (B2793,B2797)
- Unmatched Encryption Code (B2794)
- Unmatched Key Code (B2795)
- No Communication in Immobiliser System (B2796,B2798)
- Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
- Engine Immobiliser System Circuit Short to Battery (B279A12)
- Engine Immobiliser System Incorrect Assembly (B279C95)
- Engine does not Start but Initial Combustion Occurs
- Key Cannot be Registered
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Precaution
PRECAUTION PRECAUTION WHEN USING GTS (a) After all DTCs are cleared, check if the malfunction occurs again 6 seconds after turning the ignition switch ON.
PRECAUTIONS FOR THE DOOR CONTROL TRANSMITTE
Parts Location
PARTS LOCATION ILLUSTRATION
*1 ECM
- - ILLUSTRATION
*1 UNLOCK WARNING SWITCH ASSEMBLY
*2 COMBINATION METER ASSEMBLY
*3 SECURITY INDICATOR LIGHT
System Diagram
SYSTEM DIAGRAM
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Pressure Control Solenoid "B" Circuit Short to Battery (P077512)
DESCRIPTION
Using the current from the TCM, the shift solenoid valve SL2 controls the C2
clutch pressure in accordance with the requested shift mode.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
Memory
Voice Recognition Microphone1 Circuit Open (B157913)
DESCRIPTION
The telephone microphone assembly LH is connected to the radio
and display receiver assembly via voice recognition microphone 1 signal detection
line.
This DTC is stored when the radio and display receiver assembly
detects disconnection of telephone microphone assembly LH.
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