Subaru XT 1988 Service Manual page 1073

AIR CONDITIONING SYSTEM
4-7
Radiator Fan (Main Fan) Diagnoses
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Radiator fan (main fan) will not operate.
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Check 20A fuse for red iator fan (main fan).
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Fuse is blown.
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Fuse is normal.
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Locate short-circuited spot, and repair or re-
Connect one end of a 12-volt test light to main
place damaged parts.
fan relay LR wire, and ground the other end.
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light ON
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light OFF
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Turn AIC switch ON. Check wire discontinuity on the side of electric
Short LB and YW lead wires running to triple power source.
switch connector.
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I Fan turn I
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Fan does not turn.
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Check lead wire connections. Connect one end of a 12-volt test light to
When no problem is found, replace triple switch.
radiator fan (main fan) motor LW wire and
ground the other end.
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light ON
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light OFF
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Check rediator fan (main fan) motor connector. Check lead wire connections.
If the connector is in good condition, replace When no problem is found, replace radiator
rediator fan (main fan) motor.
fan (main fan) relay.
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