Toyota Corolla Cross: Diagnosis System
DIAGNOSIS SYSTEM
ABS, VSC, BRAKE HOLD, ELECTRONICALLY CONTROLLED BRAKE SYSTEM DTC
(a) If the skid control ECU detects a malfunction, the ABS warning light, brake system warning light (red indicator), brake system warning light (yellow indicator) and slip indicator light will come on in order to warn the driver. Also, if the vehicle is under the following conditions and the brake hold switch (electric parking brake switch assembly) is turned on, the brake hold operated indicator light blinks.
- Vehicle Conditions:
- The driver door is closed.
- The driver seat belt is fastened.
DTC FOR RELATED SYSTEM MALFUNCTION
(a) When the skid control ECU detects DTCs stored by related systems, it stores DTCs to indicate the malfunctioning system.
DTC for Related System Malfunction|
Malfunctioning System |
Output DTC |
DTC Storage |
System/Control Condition |
|---|---|---|---|
|
Hybrid control system |
DTC U029387 DTC U115087 |
Current and history DTCs are cleared when the system returns to normal. |
|
|
Airbag system |
DTC U015187 |
Current DTCs are cleared when the system returns to normal. |
Secondary collision brake control operation is prohibited |
HINT:
The above DTCs may be stored in the skid control ECU even if it was never stored as a history DTC or cleared in the system that caused the DTC to be stored.
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR
HINT:
DTCs which are stored in the skid control ECU can be displayed on the
GTS. The GTS can display the confirmed and permanent DTCs.
If a malfunction is detected during
Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA/INFORMATION
(a) Using the GTS, check the vehicle condition (ECU, sensor) when
the brake system operates or a DTC is output.
CHECK FREEZE FRAME DATA AND INFORMA
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE CHART
(a) When a malfunction is detected in the electronically controlled
brake system, the skid control ECU turns the ABS warning light, brake system warning
light (re
SEE MORE:
Drive Motor "B" Position Sensor Circuit Voltage Below Threshold (P0A4516,P0A451F)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following:
Area Main Malfunction Description
Inverter low-voltage circuit
The connectors are not connected properly
R
Back Door Closer Switch General Electrical Failure (B225101)
DESCRIPTION The multiplex network door ECU receives signals from the latch switch, initial switch, pawl switch and back door courtesy switch, which are built into the back door lock assembly. Based on these switch signals, the latch position of the back door lock with courtesy light switch assembly
