Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Intake Air Temperature Sensor Testing
1.
Disconnect the Air-flow Sensor connector.
MPI Relay Circuitry:
2.
Connect an ohmmeter to terminals # 5 and # 6 of the sensor connector.
Refer to
SPECIFICATIONS/ELECTRICAL.
Heating IAT Sensor:
3.
While heating the temperature sensor with a hair dryer, measure the resistance.
As the temperature increases, the resistance should decrease. Refer to
SPECIFICATIONS/ELECTRICAL.
