Most of connector symbols in wiring diagrams are shown from the terminal side.
For description and how to disconnect, refer to PG section, “Description”, “HARNESS CONNECTOR”.


Sample/Wiring Diagram -Example-ECU diagnosis information
AUTOMATIC BACK DOOR CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
TERMINAL LAYOUT
PHYSICAL VALUES
Fail Safe
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one
based on th ...
Removal and installation
HORN
Exploded View
Horn (LOW)
Horn (HIGH)
Removal and Installation
REMOVAL
Horn (LOW)
Remove the front grille. Refer to EXT-23, "Removal and
Installation".
Disconnect the harness connectors from the horn (LOW).
NOTE:
Before disconnecting the harn ...
Symptom diagnosis
INTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom Table
CAUTION:
Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform
the trouble diagnosis
if any DTC is detected.
Symptom
Possible cause
Inspection item
All the following lamps do not turn ON. ...