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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Vehicle Speed Sensor: Testing and Inspection
INSPECT OUTPUT SIGNAL OF VEHICLE SPEED
a.
Check for standard signal.
1.
While driving the vehicle at the speed of
10 km/h, check the voltage between the terminals S1 and body ground of the combination meter assy.
Standard: Fluctuation between
10 to 14 V or less is repeated
7 times within
1 sec.
NOTE: Check it with the
ignition switch ON and the connector connected.
