Additional Tests
SYSTEM/ACTUATOR TESTS
73
1.
Select
OFF Ave Cg Relay
in the PCM Actuator Test and Special
Function Menu, then press
ENTER
.
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Place the transmission in NEUTRAL.
- Verify the Ready Light is ON.
2.
Choose
Continue
to proceed.
The Control Relay screen displays.
3.
Choose
On
to activate the relay.
Choose
Off
to deactivate the relay.
The display refreshes to show the
results. Repeat as desired.
4.
Choose
Exit
to return to the PCM
Actuator Test and Special Function
Menu.
D-4S A/F Control
The D-4S A/F Control function lets you modify the fuel injection process
and fuel injection volume.
1.
Select
D-4S A/F Control
in the PCM Actuator Test and Special
Function Menu, then press
ENTER
.
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Start and run the engine at 3000 RPM maximum.
- Place the transmission in PARK.
- Make sure engine coolant temperature is 80°C before proceeding.
2.
Choose
Continue
to proceed.
The Select Injection Type screen displays.
3.
Select
PORT
(Port Injection),
DIRECT
(Direct Injection, or
EITHER
(Engine
control dependency), as appropriate,
then press
ENTER
.
The display refreshes to show the
results.
4.
Choose
Exit
to return to the PCM
Actuator Test and Special Function
Menu.
D-4S Fuel Cut
The D-4S Fuel Cut function lets you modify the fuel injection process
and enable or disable a selected fuel injector.