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

System Specifications

COOLANT TEMPERATURE SENSOR

Temperature to Resistance Values (Approximate)

°F °C Ohms
70 21 7,000-13,000
200 93 700-1,000


CHARGE TEMPERATURE SENSOR

Temperature to Resistance Values (Approximate)

°F °C Ohms
70 21 7,000-13,000
200 93 700-1,000


THROTTLE POSITION SENSOR

Output Voltage (Approximate)

0.5 volts at idle to
3.8 volts at WOT


CRANKSHAFT POSITION SENSOR

Output Voltage

0.3 volts low
5.0 volts high


CAMSHAFT POSITION SENSOR

Output Voltage

0.3 volts low
5.0 volts high

MAP SENSOR

Output Voltage (Approximate)

1.0 - 1.5 volts idle
1.5 - 3.0 volts cruise
3.0 - 4.5 volts WOT