TERMINALS OF ECU
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is connected to the A/C amplifier.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
D47-1 (IG+) - D47-14 (GND) |
Y - W |
Power source (IG) |
Ignition switch ON |
11 to 14 V |
D47-1 (IG+) - D47-14 (GND) |
Y - W |
Power source (IG) |
Ignition switch off |
Below 1 V |
D47-2 (SOL+) - D47-14 (GND) |
L - W |
A/C compressor solenoid operation signal |
Engine running A/C switch: on Blower switch: LO |
Pulse generation (See waveform 1) |
D47-5 (TAM) - D47-13 (GND) |
V - L |
Ambient temperature sensor signal |
Ignition switch ON Ambient temperature: 25°C (77°F) |
1.35 to 1.75 V |
D47-5 (TAM) - D47-13 (GND) |
V - L |
Ambient temperature sensor signal |
Ignition switch ON Ambient temperature: 40°C (104°F) |
0.9 to 1.2 V |
D47-8 (LOCK) - D47-13 (GND)*1 |
P - L |
A/C compressor lock sensor signal |
Engine running Blower switch: LO A/C switch: on |
Pulse generation (See waveform 2) |
D47-9 (PRE) - D47-13 (GND) |
R - L |
A/C pressure sensor signal |
Start engine, Operate A/C system, Refrigerant pressure: Abnormal pressure (more than 3140 kPa (32.0 kgf/cm2, 455 psi)) |
4.84 V or higher |
D47-9 (PRE) - D47-13 (GND) |
R - L |
A/C pressure sensor signal |
Start engine, Operate A/C system, Refrigerant pressure: Abnormal pressure (less than 196 kPa (2.0 kgf/cm2, 28 psi)) |
Below 0.73 V |
D47-9 (PRE) - D47-13 (GND) |
R - L |
A/C pressure sensor signal |
Start engine, Operate A/C system, Refrigerant pressure: Normal pressure (less than 3140 kPa (32.0 kgf/cm2, 455 psi) and more than 196 kPa (2.0 kgf/cm2, 28 psi)) |
0.73 to 4.84 V |
D47-10 (S5-3) - D47-13 (GND) |
P - L |
Power supply for A/C pressure sensor |
Ignition switch ON A/C switch: on |
4.75 to 5.25 V |
D47-10 (S5-3) - D47-13 (GND) |
P - L |
Power supply for A/C pressure sensor |
Ignition switch ON A/C switch: off |
Below 1 V |
D47-11 (CANH) - D47-12 (CANL) |
P - W |
CAN communication system |
CAN communication circuit |
Pulse generation |
D47-13 (GND) - Body ground |
L - Body ground |
Ground for A/C pressure sensor, A/C ambient temperature sensor, A/C lock sensor |
Always |
Below 1 V |
D47-14 (GND) - Body ground |
W - Body ground |
Ground for main power supply |
Always |
Below 1 V |
D47-18 (D) - D47-14 (GND) |
G - W |
DEF relay signal |
Ignition switch ON REAR DEF switch: on |
Below 1 V |
D47-18 (D) - D47-14 (GND) |
G - W |
DEF relay signal |
Ignition switch ON REAR DEF switch: off |
11 to 14 V |
D47-20 (MGC) - D47-14 (GND)*1 |
Y - W |
A/C compressor magnetic clutch operation signal |
Ignition switch ON Blower switch: LO A/C switch: off |
11 to 14 V |
D47-20 (MGC) - D47-14 (GND)*1 |
Y - W |
A/C compressor magnetic clutch operation signal |
Ignition switch ON Blower switch: LO A/C switch: on |
Below 1 V |
D47-21 (B) - D47-14 (GND) |
V - W |
Power source (Back-up) |
Always |
11 to 14 V |
D47-23 (BLW) - D47-14 (GND) |
R - W |
Blower motor speed control signal |
Ignition switch ON Blower switch: LO |
Pulse generation (See waveform 3) |
D47-29 (TR) - D47-34 (SG-1) |
LG - V |
Room temperature sensor signal |
Ignition switch ON Cabin temperature: 25°C (77°F) |
1.8 to 2.2 V |
D47-29 (TR) - D47-34 (SG-1) |
LG - V |
Room temperature sensor signal |
Ignition switch ON Cabin temperature: 40°C (104°F) |
1.2 to 1.6 V |
D47-32 (TSP) - D47-14 (GND) |
LG - W |
Solar sensor signal (for Front passenger side) |
Ignition switch ON Solar sensor subjected to electric light |
0.8 to 4.3 V |
D47-32 (TSP) - D47-14 (GND) |
LG - W |
Solar sensor signal (for Front passenger side) |
Ignition switch ON Solar sensor covered with a cloth |
Below 0.8 V |
D47-33 (TSD) - D47-14 (GND) |
P - W |
Solar sensor signal (for Driver side) |
Ignition switch ON Solar sensor subjected to electric light |
0.8 to 4.3 V |
D47-33 (TSD) - D47-14 (GND) |
P - W |
Solar sensor signal (for Driver side) |
Ignition switch ON Solar sensor covered with a cloth |
Below 0.8 V |
D47-34 (SG-1) - Body ground |
V - Body ground |
Ground for room temperature sensor |
Always |
Below 1 V |
D47-37 (LIN1) - D47-14 (GND) |
SB - W |
LIN communication signal |
Ignition switch ON |
Pulse generation |
z7-2 (BUS G) - Body ground |
- |
Ground for BUS IC |
Always |
Below 1 V |
z7-3 (BUS) - z7-2 (BUS G) |
- |
BUS IC control signal |
Ignition switch ON |
Pulse generation |
z7-4 (B BUS) - z7-2 (BUS G) |
- |
Power supply for BUS IC |
Ignition switch off |
Below 1 V |
z7-4 (B BUS) - z7-2 (BUS G) |
- |
Power supply for BUS IC |
Ignition switch ON |
11 to 14 V |
z7-5 (SGA) - Body ground |
- |
Ground for evaporator temperature sensor |
Always |
Below 1 V |
z7-6 (TEA) - z7-5 (SGA) |
- |
A/C evaporator temperature sensor signal |
Ignition switch ON Evaporator temperature: 0°C (32°F) |
1.7 to 2.1 V |
z7-6 (TEA) - z7-5 (SGA) |
- |
A/C evaporator temperature sensor signal |
Ignition switch ON Evaporator temperature: 15°C (59°F) |
0.9 to 1.3 V |
(a) Waveform 1:
Item |
Content |
---|---|
Terminal No. |
D47-2 (SOL+) - D47-14 (GND) |
Tool Setting |
5 V/DIV., 500 μs/DIV. |
Vehicle Condition |
Engine running A/C switch: on |
(b) Waveform 2:
Item |
Content |
---|---|
Terminal No. |
D47-8 (LOCK) - D47-13 (GND) |
Tool Setting |
200 mV/DIV., 10 ms./DIV. |
Vehicle Condition |
Engine running Blower switch: LO A/C switch: on |
(c) Waveform 3:
Item |
Content |
---|---|
Terminal No. |
D47-23 (BLW) - D47-14 (GND) |
Tool Setting |
1 V/DIV., 500 μs/DIV. |
Vehicle Condition |
Ignition switch ON Blower switch: LO |
2. AIR CONDITIONING CONTROL ASSEMBLY
HINT:
Check from the rear of the connector while it is connected to the air conditioning control assembly.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
E3-1 (ILL-) - E3-3 (ILL+) |
L - BR |
Light control switch signal |
Light control switch: OFF |
Below 1 V |
E3-1 (ILL-) - E3-3 (ILL+) |
L - BR |
Light control switch signal |
Light control switch: TAIL |
11 to 14 V |
E3-2 (LIN1) - E3-5 (GND) |
SB - W |
LIN communication signal |
Ignition switch ON |
Pulse generation |
E3-4 (IG+) - E3-5 (GND) |
GR - W |
Power source (IG) |
Ignition switch off |
Below 1 V |
E3-4 (IG+) - E3-5 (GND) |
GR - W |
Power source (IG) |
Ignition switch ON |
11 to 14 V |
E3-5 (GND) - Body ground |
W - Body ground |
Ground for front air conditioning control assembly |
Always |
Below 1 V |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT ENGINE COOLANT
See page
2. INSPECT ENGINE OIL
See page
3. INSPECT BATTERY
See page
4. INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
(a) Remove the air cleaner filter element sub-assembly.
(b) Visuall ...
Vanity Light
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL VANITY LIGHT ASSEMBLY
(a) Engage the 3 claws and install the vanity light assembly.
2. INSTALL ROOF HEADLI ...
Checking Monitor Status
CHECKING MONITOR STATUS
The purpose of the monitor result (mode 06) is to allow access to the results
of on-board diagnostic monitoring tests of specific components/systems that are
not continuously monitored. Examples are catalysts and evaporative emissi ...