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)

Or, hide this message: temporarily or permanently

Resistance/Continuity Tests- TFT Sensor

1. Set 88 Digital Multimeter on Ohms range.
2. Connect the positive (red) lead of 88 Digital Multimeter to EEC-V 104-Pin Breakout Box pin 37.
3. Connect the negative (black) lead of 88 Digital Multimeter to EEC-V 104-Pin Breakout Box pin 91 for ground.
4. Resistance measurements will vary with Automatic Transmission Fluid (ATF) temperature.

TFT Resistance:





5. If the resistance is not within specification, go to Pinpoint Test B.