929 V6-30L SOHC (1989) Throttle Position Sensor TSB
Throttle Position Sensor: Testing and Inspection
*** Updated by TSB# W01591
Throttle Sensor Terminal Identification
1.
Disconnect the throttle sensor connector from the throttle sensor, and connect an ohmmeter between terminals "A" and "D". The resistance should
be 3.5k - 6.5k Ohms.
2.
Connect an ohmmeter between terminals "B" and "D".
Resistance Check While Opening Throttle
3.
Gradually open the throttle valve while checking the resistance. With the throttle valve fully closed, the resistance should be below approx. 1
KOhm. With the throttle valve fully open, the resistance should be approx. 3.5k - 6.5k Ohms.
4.
If not within specifications, check the throttle sensor adjustment.