SERVICE MANUAL NUMBER 24
DIAGNOSTICS
Discrete Input Circuit Check (3 of 5)
TESTING GEAR LUBE MONITOR SWITCH
Step
Action
Yes
No
PROCEED TO
a. Disconnect BLU/TAN or TAN/WHT wire from gear lube
monitor.
b. Empty gear lube from monitor.
1.
Step 2. Step 3.
c. Check for continuity between TAN/BLU wire and
ground (–).
Is there continuity?
a. Refill gear lube monitor.
b. Check for continuity between TAN/BLU wire and
ground (–).
Switch
Step 3.
2.
3.
OK
Is there continuity?
Verify
–
Replace gear lube monitor.
Repair.
TESTING TRANSMISSION TEMPERATURE SWITCH
Step
Action
Yes
No
PROCEED TO
a. Disconnect BLU/TAN and BLK wires from transmission
temperature switch.
b. Ensure switch is at a cool temperature (less than normal
operating temperature).
1.
Step 2. Step 3.
c. Check for continuity between both terminals.
Is there continuity?
a. Heat the switch to a temperature high enough to acti-
vate it. (Refer to SECTION 4D of this manual for proce-
dure).
Switch
Step 3.
2.
3.
OK
b. Check for continuity between both terminals.
Is there continuity?
Verify
–
Replace transmission temperature switch.
Repair.
Index
90-861327--1
OCTOBER 1999
Page 5G-49
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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