Isuzu 4HL1, Workshop Manual

Page: 89 / 267

Engine Control System 1A-87
27/31 ASR-PWM
Output ON/OFF This parameter refers to the
status whether accelerator
position signals are input to the
VIM from the ASR controller. When the display is fixed,
communications with ABS/ASR
control unit, ABS/ASR system,
VIM, ECM, or ABS/ASR control
unit may be faulty.
28/31 Exhaust Brake
(ASR) Cut
Request ON/OFF This parameter refers to the
status of the exhaust bake cut
signals input from the ABS/ASR
controller to the VIM. It appears
on the display after the signals
are input. When the display is fixed,
communications with ABS/ASR
control unit, ABS/ASR system,
VIM, ECM, or ABS/ASR control
unit may be faulty.
29/31 AT Accelerator
Opening % On automatic transmission
vehicles, the accelerator position
is limited (the position is normally
reduced from 100 %). This
parameter refers to the
percentage calculated by the VIM
using the signals input from the
AT controller. When the display is fixed,
communications with AT control
unit, AT system, VIM, ECM, or
ABS/ASR control unit may be
faulty.
30/31 AT-PWM Output ON/OFF This parameter refers to the
status whether accelerator
position signals are input to the
VIM from the AT controller. When the display is fixed,
communications with AT control
unit, AT system, VIM, ECM, or
ABS/ASR control unit may be
faulty.
31/31 Freezer Switch ON/OFF This parameter refers to the
status of the signals input from
the freezer switch to the VIM. It
appears on the display after the
freezer controller outputs the
switch-on signal. When the display is fixed, the
freezer switch, circuit, VIM, or
ECM may be faulty.
Item
Tech 2 Data
Display
Units
displayed
Description How to use parameters