Key On Engine Off (Koeo) Self Test (Mcu Systems) - Innova 3145 Manual Del Usuario

4
In-Line 4 and In-Line 6 with canister control
valve: Remove hose from connector port B. Reconnect
after testing is completed.
V-6 and V-8: Remove PCV valve: Reconnect after
testing is completed.
2.3L with GK code: Locate the anti-backfire vacuum
switch tee behind the MCU module and remove the
cap. Reconnect after testing is completed.
2.3L with EGR vacuum load control valve: Cover
vacuum valve vent holes with tape. Remove the tape
after testing is completed.
4.2L with vacuum delay valve: Uncap restrictor in
Thermactor Air Diverter (TAD) solenoid vacuum line.
Reconnect after testing is completed.
5.8L with vacuum delay valve: Uncap restrictor in
Thermactor Air Bypass (TAB) solenoid vacuum line.
Reconnect after testing is completed.
KEY ON ENGINE OFF (KOEO) SELF TEST (MCU
SYSTEMS)
•
The "Preliminary Procedures" (page 65) must be
completed before performing the KOEO Self Test
•
Always observe safety precautions before and during
testing process.
• ALWAYS check Code Reader battery before retrieving
fault codes.
• Fix any known mechanical problems before this test.
1. Warm-up engine to normal operating temperature before
this test.
2. Turn ignition off.
3. Turn the Code Reader switch to OFF then connect it to
the vehicle's test connector.
MCU Systems have one six pin connector only.
Chapter 4
Retrieving Codes
KOEO SELF TEST (MCU SYSTEMS)
66