FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Lexus
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1990
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LS 400 V8-4.0L (1UZ-FE)
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Component Tests and General Diagnostics
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Extra-Hi Relay Circuit
Extra-Hi Relay Circuit
EXTRA-HI RELAY CIRCUIT
CIRCUIT DESCRIPTION
The Extra-Hi relay is switched on by signals from the air conditioner
control assembly
.
DIAGNOSTIC CHART
WIRING DIAGRAM
WIRING ROUTING
Step 1:
Step 2:
Step 3:
INSPECTION PROCEDURE