Table 4-1. TROUBLESHOOTING (cont.)
TEST OR INSPECTION
Check electrical fuse F1.
(a) Remove power
(b) Remove top cover, evaporator. (See para 3-21.)
(c) Remove fuse from fuseholder (on left side of electrical module assembly).
(d) Examine fuse and test for continuity.
Replace if bad.
Check transformer T1 output.
The following test must be conducted with the power on.
Measure ac voltage between T1-7 and T1-8.
If 27 to 33 Vac is indicated, go to step 12.
If not, check transformer input.
If 197 to 229 Vac is indicated,
(f) If 197 to 229 Vac is not indicated, use electrical schematic (figure 4-2) or wiring diagram
(figure 4-3) and locate defect.
Repair or replace defects as indicated.
Check rectifier CR1 and wiring harness.
(a) Disconnect P4 from J4 (left side of electrical module assembly).
4-6 Change 3
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