Isuzu 4HL1 Workshop Manual page 71

Tech 2 Data Display
ASR Accelerator Opening
Starter Switch
Ignition Switch
Clutch Switch
Neutral Switch
Stop Lamp Switch
Exhaust Brake Switch
Exhaust Brake Valve
Diagnostic Switch
Diagnostic Switch (VIM)
PTO Switch
A/C Switch (Air Conditioning)
Exhaust Brake (AT) Cutoff Switch
Exhaust Brake (ASR) Cutoff Switch
Glow Time Relay
Starter Relay
Glow Time Lamp
QWS Switch
ECO Relay
Freezer Switch
Transmission Coding
• Engine status: idling (engine coolant temperature: 80°C, all peripheral devices (air conditioner, freezer,
etc.): OFF)
Tech 2 Data Display
System Voltage
Vehicle Speed
Desired Idle Speed
Engine Speed
Accelerator Sensor
Final Accelerator Opening
ECT Sensor (Engine Coolant
Temperature)
Units displayed
% 100 (DTC84 is detected)
ON/OFF ON (DTC84 is detected)
ON/OFF ON (DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF ON (DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
ON/OFF OFF(DTC84 is detected)
MT/AT MT (DTC84 is detected)
Units displayed
V 24 (DTC84 is detected)
km/h 0 (DTC84 is detected)
RPM
RPM 0 (DTC84 is detected)
V
% 0 (DTC84 is detected)
V
Engine Control System 1A-69
Fail-safe values
Fail-safe values
—
—
—
Values at starter
switch ON
100
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
The value is
determined by the
transmission type.
Values at idling
16 ~ 38
0
MT: 575
AT: 640
MT: 550 ~ 600
AT: 615 ~ 665
0.3 ~ 0.6
0
Approx. 0.6
(The value will change
depending on
temperatures around
the engine)