Toyota Corolla Cross: System Description
SYSTEM DESCRIPTION
LOAD OPERATION OUTPUT
(a) Load is turned on or off according to the operation signals and switch signals from each ECU.
|
Components |
Power Distribution Box Assembly |
|---|---|
|
Rear Window Defogger |
○ |
|
Back-up Light |
○ |
|
Dome Cut |
○ |
|
Tail Light |
○ |
|
Front Fog Light*1 |
○ |
|
Panel Illumination |
○ |
|
Passenger Seat Buckle Switch Delegated Input |
○ |
|
Passenger Seat Occupant Detection Sensor Delegated Input |
○ |
|
Rear Seat RH Buckle Switch Delegated Input |
○ |
|
Rear Seat CTR Buckle Switch Delegated Input |
○ |
|
Rear Seat LH Buckle Switch Delegated Input |
○ |
|
IGR Relay*2 |
○ |
|
+BA Relay |
○ |
- *1: w/ Front Fog Light
- *2: w/o Smart Key System
SEMICONDUCTOR FUSE FUNCTION
(a) When a malfunction current occurs during load operation, the current is shut off before the electrical lines emit smoke, and then load is turned off. After the current is shut off, the off condition is maintained until the operation signals or switch signals turn off.
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the power integration system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
Utility
UTILITY
ALL READINESS
(a) Power Distribution Box Assembly
Body Electrical > Power Distribution Box > Utility
Tester Display
All Readiness
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of the problem symptom. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in orde
SEE MORE:
Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U111787)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.
DTC No. Detection Item
DTC Detection Condition Trouble Area
U010087 Lost Communication With ECM/PCM "A" Missing Message
The ma
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 FUEL LID LOCK WITH MOTOR ASSEMBLY
77030A -
- -
2 FUEL FILLER OPENING LID LOCK RETAINER
77377 -
- -
3 FUEL FILLER OPENING LID LOCK C
