1998 MITSUBISHI MONTERO Service Manual

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MITSUBISHI MONTERO 1998  Service Manual replace ECU.
         4) Check harness connectors to junction block and ignition
switch. Repair as necessary. If connectors are okay, check circuit
between ignition switch and junction block, and betw

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MITSUBISHI MONTERO 1998  Service Manual Fig. 3:  Identifying Defogger Relay Terminals (Montero)
Courtesy of Mitsubishi Motor Sales of America
Fig. 4:  Identifying Defogger Relay Terminals (3000GT)
Courtesy of Mitsubishi Motor Sales of Ameri

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MITSUBISHI MONTERO 1998  Service Manual NOTE:    Remove window defogger switch and disconnect switch
         connector for the following test.
         Diamante
         Rear window defogger is integral with and controlled by A/C
system EC

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MITSUBISHI MONTERO 1998  Service Manual Fig. 6:  Identifying Defogger Switch Terminals (3000GT)
Courtesy of Mitsubishi Motor Sales of America
         DEFOGGER TIMER TEST
          Montero
         Remove defogger timer from interior relay

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MITSUBISHI MONTERO 1998  Service Manual          1) Start and run engine at 2000 RPM. Ensure battery is fully
charged. Turn defogger switch to ON position. Using a voltmeter, check
voltage at center section of each defogger grid filament.

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MITSUBISHI MONTERO 1998  Service Manual          At heater unit, remove center air outlet cool air by-pass
lever cable from damper lever. To remove center air outlet, push
springs at bottom of center air outlet upward. Outlet is located abo

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MITSUBISHI MONTERO 1998  Service Manual Fig. 9:  Rear Window & Mirror Defogger System Wiring Diagram
(Diamante)

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MITSUBISHI MONTERO 1998  Service Manual Fig. 10:  Rear Window Defogger System Wiring Diagram (Eclipse)