If the water temperature meter fails to Move When engine is warm

COOLING SYSTEM ELEC

M-7

COOLING SYSTEM ELEC

COOLING SYSTEM CHECK

Procedure

Check:

1. Fuse (Main, Fan) 4. Thermo unit

2. Battery 5. Voltage

3. Main switch 6. Wiring connection (entire cooling system)

NOTE:

• Remove the following parts before troubleshooting.

1. Lower side pane and keel

2. Sidelight panel

• Use the special tools specified in the troubleshoo- ting section.

Pocket tester: 90890 - 03112

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4. Thermo unit
• Drain the coolant, and remove the thermo unit from the radiator. • Immerse the thermo unit Ø in the coolant Ø.
Coolant Temperature	Resistance
80ºC	47.5 ~ 56.8Ω
100ºC	26.2 ~ 29.3Ω

s WARNING

• Handle the thermo switch with special care.

• Never subject it to strong shocks or allow it to be dropped. Should it be dropped, it must be replaced.

• Do not allow the thermo switch to touch the bottom of the heated vessel.

OUT OF SPECIFICATION

Replace the thermo unit.

1. Fuse

Refer to “CHECKING SWITCHES”

section.

CONTINUITY

2. Battery

• Check the battery condition

Refer to “BATTERY INSPECTION” section in CHAPTER 3.

NO CONTINUITY

Replace the fuse

INCORRECT

• Clean battery terminals

• Recharge or replace battery.

MEETS SPECIFICATION

3. Main switch

CORRECT

OUT OF SPECIFICATION

5. Voltage

• Connect the pocket tester (DC20V) to the tempe- rature gauge coupler.

Tester (+) lead—( Green/Red terminalØ Tester (-) lead—( Frame ground

• Turn the main switch to on.“f” • Check for voltage (12V) on the temperature gauge lead.

Refer to “CHECKING SWITCHES”

section.

CONTINUITY

NO CONTINUITY

Replace the main switch

CORRECT

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The wiring circuit from main switch to temperature gauge is faulty. Repair.

Дата добавления: 2014-12-23