System Diagram

System Description
Power control system
Power consumption control systemInspection and adjustment
BASIC INSPECTION
BASIC INSPECTION : Special Repair Requirement
1.INSPECTION START
Check service records for any recent repairs that may indicate a
related malfunction, or a current need for
scheduled maintenance.
Open engine hood and check the following:
Harness connectors fo ...
AMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the
audio unit to the BOSE speaker amp. When this signal is received, the BOSE
speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
Turn audio system ON.
Check volta ...
ECM branch line 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 (unit side and connector
side).
- Models without automatic drive positione ...