AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM DUCTS DURING AC OPERATIONS - continued

DRAFT

TB 9-2320-364-13&P-1

AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM

DUCTS DURING AC OPERATIONS - Continued

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15.

WARNING

KNOWN INFO

TEST OPTIONS

Read WARNING on

Power to fan control switch OK.

Continuity test.

page 0012-31.

Blower operates.

Multimeter.

AC condenser core not blocked or damaged.

REASON FOR QUESTION

AC compressor belts OK.

Is continuity measured

If continuity is measured, AC

AC heater/evaporator core not blocked or

harness wire 1158 is

across high pressure switch?

damaged.

faulty. If not, high

Temperature control switch temperature

pressure switch is faulty.

probe OK.

AC harness wire 1155 OK.

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AC condenser assembly harness black wire

OK.

AC condenser motor solenoid OK.

Replace high

AC condenser motor red wire OK.

pressure switch

AC condenser motor ground wire OK.

(WP 0038). Verify

repair, go to Step 29

AC condenser motor OK.

of this fault.

AC condenser assembly harness green wire

OK.

AC condenser motor solenoid ground wire

YES

OK.

Fan control switch OK.

Repair AC harness wire 1158

Wire 1156 OK.

(see Appendix A) or replace

Temperature control switch OK.

AC wiring harness

Heater cable OK.

(WP 0048). Verify repair, go

to Step 29 of this fault.

AC cable OK.

Defrost cable OK.

AC harness wire 1435 OK.

AC compressor clutch OK.

AC harness wire 1154 OK.

Low pressure switch OK.

AC harness wire 1156 OK.

POSSIBLE PROBLEMS

AC harness wire 1158 faulty.

High pressure switch faulty.

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0012-30