Transmission Fluid Temperature Switch - Mercury MerCruiser D2.8L D-Tronic Service Manual

INSTRUMENTATION

Transmission Fluid Temperature Switch

When the transmission is COLD or at a temperature less than as shown (refer to Testing
- Test Temperature Chart), the switch is open.
REMOVAL
1. Disconnect harness wires at switch.
2. Remove the switch and sealing washer.
Typical Transmission
TESTING
1. With the transmission COLD, connect one lead of an ohmmeter to one terminal of the
transmission switch. Connect the other lead of ohmmeter to other terminal.
NOTE: Switch shown removed for visual clarity only.
2. Switch should show no continuity. Replace switch, if continuity exists.
Page 4D-24
b
a - Transmission Fluid Temperature Switch with Sealing Washer
b - Harness Wires
a - Ohmmeter Leads
b - Transmission Fluid Temperature Switch
SERVICE MANUAL NUMBER 22
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90-860074--1 FEBRUARY 2002
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