Toyota SV25 Automobile User Manual


 
162
RADIATOR FAN AND AIR CONDITIONER (3S–FE LEVER SWITCH TYPE)
RADIATOR FAN RELAY NO. 1
4–3 : OPEN WITH IGNITIION SW ON, A/C HIGH PRESSURE SW ON AND WATER TEMP. SW ON
A/C FAN RELAY NO. 2
(2) 1–(2) 3 : CLOSED WITH IGNITION SW OFF OR A/C HIGH PRESSURE SW OFF OR WATER TEMP. SW OFF
(2) 1–(2) 4 : CLOSED WITH IGNITION SW ON, A/C HIGH PRESSURE SW ON AND WATER TEMP. SW ON
A/C FAN RELAY NO. 3
(2) 2–(2) 4 : CLOSED WITH IGNITION SW ON AND MAGNET CLUTCH ON
HEATER RELAY
(4) 4–(4) 5 : CLOSED WITH IGNITION SW ON AND BLOWER SW ON
(C) A/C HIGH PRESSURE SW (FOR RADIATOR FAN)
1–2 : OPEN ABOVE 18 KG/CM
2
(256 PSI, 1765 KPA)
CLOSED BELOW 14 KG/CM
2
(199 PSI, 1373 KPA)
(D) A/C WATER TEMP. SW (FOR RADIATOR FAN)
1–GROUND : OPEN ABOVE 90°C (194°F)
CLOSED BELOW 83°C (181°F)
(G) A/C DUAL PRESSURE SW
1–2 : OPEN WITH PRESSURE LESS THAN 2.1 KG/CM
2
(30 PSI, 206 KPA) OR ABOVE 27 KG/CM
2
(384 PSI, 2648 KPA)
(H) A/C IDLE–UP VSV
1–2 : APPROX. 40
(J) A/C ACCELERATION CUT AMPLIFIER
3–GROUND : APPROX. 12 VOLTS FOR 3 SECONDS WITH THROTTLE VALVE OPENING ABOVE 80% AND
VEHICLE SPEED BELOW 25 KM/H (15.5 MPH)
(O) A/C THERMISTOR
APPROX. 1.5 K AT 25°C (77°F)
(S) BLOWER RESISTOR
1–2 : APPROX. 1.5
2–4 : APPROX. 0.8
3–4 : APPROX. 0.4
: PARTS LOCATION
CODE SEE PAGE CODE SEE PAGE CODE SEE PAGE
A A8 25 H A11 25 N H6 28
B R1 25 I A19 25 (FWD) O A24 28
C A10 25 I A20 28 (ALL–TRAC/4WD) P A7 25
D A13 25 J A18 28 Q I2 25
E A12 25 K T3 28 R B5 28
F A43 25 (CANADA) L A21 28 S B6 28
G A9 25 M A14 25 (ALL–TRAC/4WD) T H7 28
: RELAY BLOCKS
CODE SEE PAGE RELAY BLOCKS (RELAY BLOCK LOCATION)
2 20 R/B NO. 2 (ENGINE COMPARTMENT LEFT)
4 23 R/B NO. 4 (RIGHT KICK PANEL)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1I
18
COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)
1N
18 COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
2A 20 ENGINE ROOM MAIN WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
2C 20 ENGINE WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
2E 20 ENGINE ROOM NO. 4 WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
2G 20 ENGINE WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
SERVICE HINTS