Toyota Corolla Cross: Diagnosis System
Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System / Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
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INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
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Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System
DTC No. Detection Item
DTC Output from Link
B234149 Sliding Roof Motor Internal Electronic Failure
Main Body
Sliding Roof Motor Internal Electronic Failure (B234149,B234407)
DESCRIPTION When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B234149 is stored.
When the sliding roof ECU (s
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Inverter "A" Cooling System Performance (P0A9300)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates when the temperature sensor value inside the inverter has become abnormal. The cause of this malfunction may be one of the following: Internal inverter malfunction
Inverter internal circuit malfunction
Malfunction in ECU that control
Removal
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
CUT KEY
69503B
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2
TRANSMITTER HOUSING COVER
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