AC–30
AIR CONDITIONING
–
AIR CONDITIONER AMPLIFIER
AIR CONDITIONER AMPLIFIER
AC39V–01
ON–VEHICLE INSPECTION
1.
REMOVE A/C CONTROL ASSEMBRY (See page
AC–28)
2.
INSPECT A/C AMPLIFIER CIRCUIT
From back side:
A14
A15
I18812
Testerconnection
Condition
Specifiedcondition
IG ON. Ambient temp.: 25 °C (77 °F)
IG ON. Ambient temp.: 40 °C (104 °F)
IG ON. Room temp.: 25 °C (77 °F)
IG ON. Room temp.: 40 °C (104 °F)
IG ON. Solar sensor subject to electric light
IG ON. Solar sensor covered by cloth
IG ON. Evaporator temp.: 0 °C (32 °F)
IG ON. Evaporator temp.: 15 °C (59 °F)
Start engine. Compressor: Operate
IG ON
1.35 – 1.75 V
0.85 – 1.25 V
1.8 – 2.2 V
TAM ↔ TAM–SG (A14–18 ↔ A14–14)
TR ↔ TR–SG (A14–7 ↔ A14–3)
TS ↔ TS–S5 (A14–19 ↔ A14–3)
TE ↔ TE–SG (A14–8 ↔ A14–15)
0.85 – 1.25 V
1.0 V or more
Below 1.0 V
2.0 – 2.4 V
1.4 – 1.8 V
LOCK ↔ LOCK–SG (A15–9 ↔ A15–18)
TW ↔ GND (A15–7 ↔ A14–12)
4.5 – 5.5 V
Pulsegeneration
10 – 14 V
Start engine (idling). Magnetic clutch: ON
Start engine (idling). Magnetic clutch: OFF
IG ON. Mode selector: FACE
MGC ↔ GND (A15–4 ↔ A14–12)
Below 1.5 V
3.5 – 4.5 V
0.5 – 1.5 V
3.5 – 4.5 V
0.5 – 1.5 V
TPM ↔ TPM–SG (A14–20 ↔ A14–17)
TPM–S5 ↔ TPM–SG (A14–1 ↔ A14–17)
IG ON. Mode selector: DEF
IG ON. Set temp.: MAX. COOL
IG ON. Set temp.: MAX. HOT
TPM–SG ↔ Body ground (A14–17 ↔
Bodyground)
Always
1 Ω or less
IG ON. Mode selector: Except FACE
IG ON. Mode selector: FACE
Below 1.0 V
10 – 14 V
AOF ↔ GND (A15–1 ↔ A14–12)
IG ON. Mode selector: Except DEF
IG ON. Mode selector: DEF
Below 1.0 V
10 – 14 V
AOD ↔ GND (15–2 ↔ A14–12)
AVENSIS/CORONA SUP (RM781E)
English 