Brake control system
Wiring Diagram












Ecu diagnosis information
Basic inspectionMain line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (connector side
and harness side).
Harness connector E4
Harness connec ...
Push-Button Ignition Switch (if so equipped)
WARNINGDo not operate the push-button ignition
switch while driving the vehicle except in
an emergency. (The engine will stop when
the ignition switch is pushed 3 consecutive
times in quick succession or the ignition
switch is pushed and held for more
than 2 seconds.) If ...
BCM branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the bcm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
Yes > ...