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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Sensor Inspection

CAUTION: Be careful not to touch the tool against the connector (resin section) when removing and installing.

1. Remove engine coolant temperature sensor from the intake manifold.

2. With temperature sensing portion of engine coolant temperature sensor immersed in hot water, check resistance.

Temperature [°C (°F)] Resistance (K Ohms)
0 (32) 5.8
20 (68) 2.4
40 (104) 1.1
80 (176) 0.3

3. If the resistance deviates from the standard value greatly, replace the sensor.