Av control unit
Reference value
TERMINAL LAYOUT

PHYSICAL VALUES




Dtc index

Bose speaker amp
Reference value
TERMINAL LAYOUT

PHYSICAL VALUES



System description
Wiring diagramP2138 APP Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2138 is displayed with DTC P0643, first perform the trouble
diagnosis for DTC P0643. Refer to
EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tool
Clip list
Descriptions for clips
Replace any clips which are damaged during removal or installation.
...
S terminal circuit
Description
The output voltage of the generator is controlled by the IC regulator at
terminal “S” detecting the input voltage
from battery.
The “S” terminal circuit detects the battery voltage to adjust the generator
output voltage with the IC voltage
regulator.
Diagn ...