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

Without CONSULT




OVERALL FUNCTION CHECK
This procedure can be used for checking the overall function of the throttle position sensor. During this check, a Diagnostic Trouble Code (DTC) might not be confirmed.
1. Turn ignition switch "ON".




2. Check the voltage between Engine Control Module (ECM) terminal 23 and 43 (ground) and make sure the followings:




^ The voltage when accelerator pedal fully released is approximately 0.35-0.65 volts.
^ The voltage rise is linear in response to accelerator pedal depression.
^ The voltage when accelerator pedal fully depressed is approximately 4 volts.