Heater & Air Conditioner
Section HA — 85 pages
DOOR CONTROL
HA-6 — HA-7DESCRIPTION — Push Control
HA-8 — HA-11PUSH CONTROL UNIT
HA-12 — HA-14HEATER ELECTRICAL CIRCUIT
HA-15 — HA-16PRECAUTIONS
HA-17PRECAUTIONS FOR REFRIGERANT CONNECTION
HA-18PREPARATION
HA-19 — HA-20DISCHARGING, EVACUATING, CHARGING AND CHECKING
HA-21 — HA-27DESCRIPTION OF AIR CONDITIONER
HA-28 — HA-29SERVICE PROCEDURES
HA-30 — HA-32A/C PERFORMANCE TEST
HA-33 — HA-38COMPRESSOR OIL — For NVR 140S (ATSUGI make)
HA-39 — HA-40COMPRESSOR OIL — For DKV-14C (DIESEL-KIKI make)
HA-41 — HA-42COMPRESSOR — Precautions
HA-43COMPRESSOR — Model NVR 140S (ATSUGI make)
HA-44 — HA-46COMPRESSOR — Model DKV-14C (DIESEL-KIKI make)
HA-47 — HA-49A/C COMPONENT LAYOUT
HA-50 — HA-51A/C ELECTRICAL CIRCUIT
HA-52 — HA-55TROUBLE DIAGNOSES
HA-56 — HA-85- HA-56Contents
- HA-57How to Perform Trouble Diagnoses for Quick and Accurate Repair (Work Flow)
- HA-58Symptom Chart
- HA-59Symptom Chart (Cont'd) — Electrical Components Inspection
- HA-60Preliminary Check 1: For L.H.D. model only (Intake door is set at "FRESH" in DEF or F/D mode)
- HA-61Preliminary Check (Cont'd) — Preliminary Check 2 (A/C does not blow cold air.)
- HA-62Preliminary Check (Cont'd) — Preliminary Check 3 (Magnet clutch does not operate in DEF mode, L.H.D. only)
- HA-63Preliminary Check (Cont'd) — Preliminary Check 4 (Air outlet does not change.)
- HA-64Preliminary Check (Cont'd) — Preliminary Check 5 (Noise)
- HA-65Main Power Supply and Ground Circuit Check (Power supply circuit + Thermo control amp.)
- HA-66Main Power Supply and Ground Circuit Check (Cont'd) — Push Control Unit Check
- HA-67Harness Layout for A/C System
- HA-68Circuit Diagram for Quick Pinpoint Check (L.H.D. Model)
- HA-69Circuit Diagram for Quick Pinpoint Check (Cont'd) — R.H.D. Model
- HA-70Diagnostic Procedure 1 (SYMPTOM: Blower motor does not rotate.)
- HA-71Diagnostic Procedure 1 (Cont'd) — Resistor + Fan switch checks
- HA-72Diagnostic Procedure 2 (SYMPTOM: Air outlet does not change.) — Mode door motor checks
- HA-73Diagnostic Procedure 2 (Cont'd) — Push control unit output check
- HA-74Diagnostic Procedure 3 (SYMPTOM: Intake door does not change.)
- HA-75Diagnostic Procedure 4 (SYMPTOM: Magnet clutch does not operate with A/C switch and fan switch are ON.)
- HA-76Diagnostic Procedure 4 (Cont'd) — A/C relay checks
- HA-77Diagnostic Procedure 4 (Cont'd) — Thermo control amp + A/C relay coil checks
- HA-78Diagnostic Procedure 4 (Cont'd) — Push control unit / dual-pressure switch / fan switch checks
- HA-79Diagnostic Procedure 5 (SYMPTOM: Illumination or indicators of push control unit do not come on.) + Diagnostic Procedure 5-1
- HA-80Diagnostic Procedure 5 (Cont'd) — 5-1 power/ground & 5-2 magnet-clutch indicator
- HA-81Diagnostic Procedure 5 (Cont'd) — DIAGNOSTIC PROCEDURE 5-3
- HA-82Diagnostic Procedure 5 (Cont'd) — DIAGNOSTIC PROCEDURE 5-4
- HA-83Electrical Components Inspection — Fan switch / Blower motor / Blower resistor
- HA-84Electrical Components Inspection (Cont'd) — A/C switch / Dual-pressure switch / Thermal protector
- HA-85Electrical Components Inspection (Cont'd) — Thermo control amp / A/C relay / Thermoswitch