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
Vehicle Speed Sensor: Testing and Inspection
With ECU test harness installed voltage between terminals 26 and 39 on 1.0L/3-60.6 engines should pulse from zero to 4.4 - 5.5 volts.
Perform Speed sensor circuit test.
Fig. 50 ECU System Diagnosis, Speed Sensor Check: