Operation CHARM: Car repair manuals for everyone.
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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On-Vehicle Inspection




VOLUME AIR FLOW (VAF) METER - ON-VEHICLE INSPECTION
1. INSPECT RESISTANCE OF VAF METER.
- Disconnect the VAF meter connector.
- Using an ohmmeter, measure the resistance between terminals THA and E2.




- If the resistance is not as specified, replace the VAF meter.
- Reconnect the VAF meter connector.

2. INSPECT VAF METER.
- Check that the honeycomb is neither deformed nor damaged.
- If necessary, replace the VAF meter.