TROUBLE DIAGNOSES — How to Perform Trouble Diagnoses for Quick and Accurate Repair (Work Flow)
HA-57flowchartHow to Perform Trouble Diagnoses for Quick and Accurate Repair
WORK FLOW
A/C trouble-diagnoses work flow
Rendering diagram…
Legend:TerminalActionDecision
See also
HA-59TROUBLE DIAGNOSES — Symptom Chart (Cont'd) — Electrical Components InspectionHA-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-67TROUBLE DIAGNOSES — Harness Layout for A/C SystemHA-68TROUBLE DIAGNOSES — Circuit Diagram for Quick Pinpoint Check (L.H.D. Model)HA-69TROUBLE DIAGNOSES — Circuit Diagram for Quick Pinpoint Check (Cont'd) — R.H.D. ModelHA-70TROUBLE DIAGNOSES — Diagnostic Procedure 1 (SYMPTOM: Blower motor does not rotate.)HA-82TROUBLE DIAGNOSES — Diagnostic Procedure 5 (Cont'd) — DIAGNOSTIC PROCEDURE 5-4HA-83TROUBLE DIAGNOSES — Electrical Components Inspection — Fan switch / Blower motor / Blower resistorHA-84TROUBLE DIAGNOSES — Electrical Components Inspection (Cont'd) — A/C switch / Dual-pressure switch / Thermal protectorHA-85TROUBLE DIAGNOSES — Electrical Components Inspection (Cont'd) — Thermo control amp / A/C relay / Thermoswitch