TROUBLE DIAGNOSES — Symptom Chart
HA-58spec tableUnverifiedChecking-order numerals on the chart are filled-bullet glyphs (numbered 1 and 2 in the legend). Empty cells in the rendered grid mean 'not applicable'.
Symptom Chart
DIAGNOSTIC TABLE
Symptom Chart — checking-order matrix
A/C does not blow cold air.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)1
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)○
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)○
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)○
Push control unit (HA-66)
Thermo control amp. (HA-65)○
Blower motor does not rotate.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)1
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)2
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)
Push control unit (HA-66)
Thermo control amp. (HA-65)
Air outlet does not change.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)1
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)2
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)○
Push control unit (HA-66)
Thermo control amp. (HA-65)
Intake door does not change.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)1
Diagnostic procedure 4 (HA-75 to HA-78)
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)○
Push control unit (HA-66)
Thermo control amp. (HA-65)
Intake door is not set at "FRESH" in DEF or F/D mode. (L.H.D. model only)
Preliminary check 1: For L.H.D. model only (HA-60)1
Preliminary check 2 (HA-61)
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)○
Diagnostic procedure 4 (HA-75 to HA-78)
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)○
Push control unit (HA-66)
Thermo control amp. (HA-65)
Magnet clutch does not operate with A/C switch and fan switch are ON.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)1
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)2
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)○
Push control unit (HA-66)
Thermo control amp. (HA-65)○
Magnet clutch does not operate in DEF mode. (L.H.D. model only)
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)1
Preliminary check 3: For L.H.D. model only (HA-62)2
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)○
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)○
10A Fuse (HA-65)○
Push control unit (HA-66)
Thermo control amp. (HA-65)○
Illumination or indicators of push control unit do not come on.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)
Diagnostic procedure 5 (HA-79)1
15A Fuses (HA-65)○
10A Fuse (HA-65)
Push control unit (HA-66)
Thermo control amp. (HA-65)
Noise.
Preliminary check 1: For L.H.D. model only (HA-60)
Preliminary check 2 (HA-61)
Preliminary check 3: For L.H.D. model only (HA-62)
Preliminary check 4 (HA-63)
Preliminary check 5 (HA-64)1
Diagnostic procedure 1 (HA-70 to HA-71)
Diagnostic procedure 2 (HA-72 to HA-73)
Diagnostic procedure 3 (HA-74)
Diagnostic procedure 4 (HA-75 to HA-78)
Diagnostic procedure 5 (HA-79)
15A Fuses (HA-65)
10A Fuse (HA-65)
Push control unit (HA-66)
Thermo control amp. (HA-65)
NOTE
Legend: digits 1, 2, … = checking order (perform in numbered sequence). "○" = as for checking order, refer to each flow chart (depends on malfunctioning portion).
See also
HA-60TROUBLE DIAGNOSES — Preliminary Check 1: For L.H.D. model only (Intake door is set at "FRESH" in DEF or F/D mode)HA-61TROUBLE DIAGNOSES — Preliminary Check (Cont'd) — Preliminary Check 2 (A/C does not blow cold air.)HA-62TROUBLE DIAGNOSES — Preliminary Check (Cont'd) — Preliminary Check 3 (Magnet clutch does not operate in DEF mode, L.H.D. only)HA-63TROUBLE DIAGNOSES — Preliminary Check (Cont'd) — Preliminary Check 4 (Air outlet does not change.)HA-64TROUBLE DIAGNOSES — Preliminary Check (Cont'd) — Preliminary Check 5 (Noise)HA-65TROUBLE DIAGNOSES — Main Power Supply and Ground Circuit Check (Power supply circuit + Thermo control amp.)HA-66TROUBLE DIAGNOSES — Main Power Supply and Ground Circuit Check (Cont'd) — Push Control Unit CheckHA-70TROUBLE DIAGNOSES — Diagnostic Procedure 1 (SYMPTOM: Blower motor does not rotate.)HA-71TROUBLE DIAGNOSES — Diagnostic Procedure 1 (Cont'd) — Resistor + Fan switch checksHA-72TROUBLE DIAGNOSES — Diagnostic Procedure 2 (SYMPTOM: Air outlet does not change.) — Mode door motor checksHA-73TROUBLE DIAGNOSES — Diagnostic Procedure 2 (Cont'd) — Push control unit output checkHA-74TROUBLE DIAGNOSES — Diagnostic Procedure 3 (SYMPTOM: Intake door does not change.)HA-75TROUBLE DIAGNOSES — Diagnostic Procedure 4 (SYMPTOM: Magnet clutch does not operate with A/C switch and fan switch are ON.)HA-78TROUBLE DIAGNOSES — Diagnostic Procedure 4 (Cont'd) — Push control unit / dual-pressure switch / fan switch checksHA-79TROUBLE DIAGNOSES — Diagnostic Procedure 5 (SYMPTOM: Illumination or indicators of push control unit do not come on.) + Diagnostic Procedure 5-1