Toyota 1993 MR2 Wiring Diagrams page 182

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RADIATOR FAN AND AIR CONDITIONER
SERVICE HINTS
A/C THERMISTOR
A14
3–4 : APPROX. 4852 K AT 0°C (32°F)
APPROX. 2341 K AT 15°C (59°F)
APPROX. 1500 K AT 25°C (77°F)
A/C DUAL PRESSURE SW
A13
1–2 : OPEN WITH PRESSURE LESS THAN 206 KPA (30 PSI, 2.1 KG/CM
WATER TEMP. SW (FOR RADIATOR FAN)
W 3
1–2 : OPEN ABOVE APPROX. 90°C (194°F)
CLOSED BELOW APPROX. 83°C (184.4°F)
BLOWER RESISTOR
B 3
1–3 : APPROX. 0.45 K
3–2 : APPROX. 0.78 K
2–4 : APPROX. 0.91 K
A/C AMPLIFIER
A 9
7–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW ON
6–GROUND : ALWAYS CONTINUITY
18–9
: CONTINUITY WITH WATER TEMP. SW CLOSED [BELOW APPROX. 83°C (181.4°F)]
5–GROUND : APPROX. 12 VOLTS WITH ENGINE RUNNING
11–GROUND: APPROX. 12 VOLTS WITH IGNITION SW ON AND A/C SW (A/C CONTROL ASSEMBLY) ON
AIR INLET SERVO MOTOR
A17
4–3 : CLOSED WITH AIR INLET DAMPER AT RECIRC POSITION
4–1 : CLOSED WITH AIR INLET DAMPER AT FRESH POSITION
: PARTS LOCATION
CODE
SEE PAGE
A 3
24 (5S–FE), 25 (3S–GTE)
A 9
26
A10
C
26
A11
A
26
A12
B
26
A13
26
A14
26
A15
26
: RELAY BLOCKS
CODE
SEE PAGE
1
20
5
21
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE
SEE PAGE
3A
3C
22
22
3D
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE
SEE PAGE
28 (5S–FE)
EA3
EA3
30 (3S–GTE)
IE1
32
32
IE4
IH1
32
II2
34
II3
34
34
II4
BM1
36
36
BM2
: GROUND POINTS
CODE
SEE PAGE
IC
32
BE
36
BG
36
BI
36
190
CODE
A17
A18
A25
A26
B 2
B 3
D 3
E 6
A
RELAY BLOCKS (RELAY BLOCK LOCATION)
R/B NO. 1 (LEFT KICK PANEL)
R/B NO. 5 (FRONT LUGGAGE COMPARTMENT LEFT)
JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
COWL WIRE AND J/B NO. 3 (BEHIND COMBINATION METER)
COWL WIRE AND J/B NO. 3 (BEHIND COMBINATION METER)
JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
ENGINE WIRE AND ENGINE ROOM MAIN WIRE (R/B NO 2 INNER)
ENGINE WIRE AND ENGINE ROOM MAIN WIRE (R/B NO. 2 INNER)
ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
COWL WIRE AND A/C SUB WIRE (INSTRUMENT PANEL RIGHT)
LUGGAGE ROOM WIRE AND COWL WIRE (RIGHT KICK PANEL)
COWL WIRE AND LUGGAGE ROOM WIRE (RIGHT KICK PANEL)
COWL WIRE AND LUGGAGE ROOM WIRE (RIGHT KICK PANEL)
ENGINE ROOM MAIN WIRE AND COWL WIRE (ROOM PARTITION BOARD LEFT)
ENGINE ROOM MAIN WIRE AND COWL WIRE (ROOM PARTITION BOARD LEFT)
GROUND POINTS LOCATION
INSTRUMENT PANEL BRACE LH
FRONT RIGHT FENDER
UNDER THE LEFT CENTER PILLAR
BACK PANEL CENTER
2
) OR ABOVE 2648 KPA (384 PSI, 27 KG/CM
SEE PAGE
26
26
27
27
26
26
26
25 (3S–GTE)
2
)
CODE
SEE PAGE
B
24 (5S–FE)
E 6
E 6
C
24 (5S–FE)
I11
26
J 1
26
J 3
26
R 5
27
V 3
24 (5S–FE), 25 (3S–GTE)
W 3
27

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