Installation
ComponentsTerminals Of Ecu
TERMINALS OF ECU
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is connected to the A/C amplifier.
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified ...
Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE
1.
REPLACE CD AND RECHECK
(a) Replace the CD with a known good one and check that the malfunction disappears.
OK:
Malfunction disappears.
OK
END
NG
REPLACE RADIO AN ...
Ignition Switch Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) determines the ignition
switch position (OFF, ACC, ON) based on signals from the IG or ACC circuit.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING TECHSTREAM
...