AIR CONDITIONING – AIR CONDITIONING SYSTEM (for Automatic Air Conditioning Sys-
tem)AC–31
AC
(d) Using an oscilloscope, check waveform 3.
CAN communication signal
HINT:
The waveform varies depending on the CAN
communication signal.
(e) Using an oscilloscope, check waveform 4.
CAN communication signal
HINT:
The waveform varies depending on the CAN
communication signal.
(f) Using an oscilloscope, check waveform 5.
Compressor lock sensor signal*
HINT:
*: for 2GR-FE
2. CHECK AIR CONDITIONING CONTROL
(a) Measure the voltage and resistance of the
connectors.
A086154E10
Item Content
Symbols (Terminal No.) CANH (E37-11) - GND (E37-14)
Tool Setting 1 V/DIV., 10
sec./DIV.
Condition Ignition switch ON
A086155E11
Item Content
Symbols (Terminal No.) CANL (E37-12) - GND (E37-14)
Tool Setting 1 V/DIV., 10
sec./DIV.
Condition Ignition switch ON
E127551E01
Item Content
Symbols (Terminal No.) LOCK (E37-8)* - SG-2 (E37-13)
Tool Setting 500 mV/DIV., 20 msec./DIV.
ConditionIgnition switch ON, AUTO switch ON, A/
C switch ON, Magnetic clutch ON
E123518E01
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
IG+ (E23-2) - GND (E23-
7)L - W-B Power source (IG) Ignition switch ON 10 to 14 V
GND (E23-7) - Body
groundW-B - Body groundGround for air conditioning
control assemblyAlways Below 1
LIN1 (E23-11) - GND
(E23-7)B - W-B LIN communication signalIgnition switch ON Pulse generation
+B (E23-1) - GND (E23-7) R - W-B Power source (Back-up) Always 10 to 14 V
AIR CONDITIONING – COMPRESSOR AND PULLEY (for 2GR-FE)AC–221
AC
INSTALLATION
1. INSTALL COOLER COMPRESSOR ASSEMBLY
(a) Install the cooler compressor with the 4 bolts.
Torque: 24.5 N*m (250 kgf*cm, 18 ft.*lbf)
NOTICE:
Tighten the bolts in the order shown in the
illustration to install the cooler compressor.
(b) Connect the connector.
2. CONNECT NO. 1 COOLER REFRIGERANT
DISCHARGE HOSE
(a) Remove the attached vinyl tape from the hose.
(b) Sufficiently apply compressor oil to a new O-ring
and the fitting surface of the cooler compressor.
Compressor oil:
ND-OIL 8 or equivalent
(c) Install the O-ring to the cooler refrigerant discharge
hose.
(d) Connect the cooler refrigerant discharge hose to the
cooler compressor with the bolt.
Torque: 9.8 N*m (100 kgf*cm, 7 ft.*lbf)
3. CONNECT NO. 1 COOLER REFRIGERANT SUCTION
HOSE
(a) Remove the attached vinyl tape from the hose.
(b) Sufficiently apply compressor oil to a new O-ring
and the fitting surface of the cooler compressor.
Compressor oil:
ND-OIL 8 or equivalent
(c) Install the O-ring to the cooler refrigerant suction
hose.
(d) Connect the cooler refrigerant suction hose to the
cooler compressor with the bolt.
Torque: 9.8 N*m (100 kgf*cm, 7 ft.*lbf)
4. INSTALL FAN AND GENERATOR V BELT (See page
EM-8)
5. CONNECT CABLE TO NEGATIVE BATTERY
TERMINAL
6. CHARGE REFRIGERANT (See page AC-172)
7. WARM UP ENGINE (See page AC-173)
8. CHECK FOR LEAKAGE OF REFRIGERANT (See
page AC-173)
H102369E01
H102036
H102039
