Toyota Corolla Cross: 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 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 Sliding Roof System
DTC No. Detection Item
DTC Output from Link
B234149 Sliding Roof Motor Internal Electronic Failure
Main Body
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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ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
To prevent burns, do not remove the oil pressure and temperature sensor while the engine is hot.
PROCED
TERMINALS OF ECU
REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the rear television camera assembly connector.
(b) Measure the voltage on the wire harness side connector according
to the value(s) in the table below.
Terminal No. (Symbol)
Terminal Description
