Additional Tests
SYSTEM/ACTUATOR TESTS
78
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Make sure fuel level is less than 9/10.
- Make sure fuel temperature is below 35°C.
- Turn the ignition on. DO NOT start the engine.
- Place the transmission in PARK.
3.
Choose
Continue
to proceed.
The vehicle’s computer performs a
9-step check of the EVAP system. A
“status” screen displays the name
and number of the current
Step
, the
Vapor Pressure
, and the status of
the
Purge VSV
,
Vent Valve
and
Vacuum Pump
.
4.
Choose
Next Step
as needed to scroll
to the next stage of the test.
When the test is completed, a
“confirmation” screen displays.
5.
Choose
Exit
to return to the PCM
Actuator Test and Special Function
Menu.
Secondary Air Injection Check
The Secondary Air Injection Check function lets you test components of
the vehicle’s secondary air injection system.
1.
Select
Secondary Air Injection Check
in the PCM Actuator Test
and Special Function Menu, then press
ENTER
.
An “informational” screen displays.
2.
Choose
Continue
to proceed.
An “instructional” screen displays. Prepare the vehicle for test as
directed:
- Make sure no DTCs related to throttle, air flow, or misfire are
present.
- Make sure 2nd Air System Status of Data List is OFF.
- Turn the ignition on. DO NOT start the engine.
- Set the parking brake.
3.
Choose
Continue
to proceed.
A “countdown” timer displays, followed by an “instructional”
screen. Prepare the vehicle for test as directed:
- Start and idle the engine.