DTC Logic
Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
U1216 AV CONTROL UNIT
DTC Logic
U1217 AV CONTROL UNIT
DTC Logic
U1218 AV CONTROL UNIT
DTC Logic
U1219 AV CONTROL UNIT
DTC Logic
U121A AV CONTROL UNIT
DTC Logic
U121B AV CONTROL UNIT
DTC Logic
U121C AV CONTROL UNIT
DTC Logic
Magnet clutch control system
System Diagram
System Description
The A/C auto amp. controls A/C compressor operation by ambient temperature,
intake air temperature and
signal from ECM.
SYSTEM OPERATION
When the A/C switch, the AUTO switch, or the DEF switch is pressed, or when
shifting mode position to D/F,
the A/C ...
The parking brake release warning continues sounding, or does not sound
Description
The parking brake warning buzzer sounds continuously during
vehicle travel though the parking brake is
released
The parking brake warning buzzer does not sound at all even though
driving the vehicle with the parking
brake applied.
Diagnosis Procedure
1. CHECK PARKIN ...
VDC off switch
Description
VDC OFF switch deactivates (turn OFF) the VDC/TCS function when the VDC OFF
switch is pressed.
Component Function Check
1.CHECK VDC OFF SWITCH OPERATION
Operate the VDC OFF switch and check that the VDC OFF indicator lamp in the
combination meter turns on/
off correctly.
D ...