Toyota 4Runner 2003 - Engine Control System Parts Location

2003 4RUNNER (EWD514U)
83
EFI Relay
5–3 : Closed with the ignition SW at ON position
E2 Engine Coolant Temp. Sensor
1–2 : Approx. 15.0 kΩ (–20°C, –4°F)
: Approx. 2.45 kΩ (20°C, 68°F)
: Approx. 0.32 kΩ (80°C, 176°F)
: Approx. 0.14 kΩ (110°C, 230°F)
E4 (A), E5 (B), E6 (C), E7 (D), E8 (E) Engine Control Module
BATT–E1 : Always 9.0–14.0 volts
+BM–E1 : Always 9.0–14.0 volts
IGSW–E1 : 9.0–14.0 volts with the ignition SW at ON position
+B, +B2–E1 : 9.0–14.0 volts with the ignition SW at ON position
VC–E1 : 4.5–5.5 volts with the ignition SW at ON position
VTA2–E1 : 2.0–2.9 volts with the ignition SW on and throttle valve fully closed
: 4.7–5.1 volts with the ignition SW on and throttle valve fully open
VTA1–E1 : 0.4–1.0 volts with the ignition SW on and throttle valve fully closed
: 3.2–4.8 volts with the ignition SW on and throttle valve fully open
VPA–E1 : 0.3–0.9 volts with the ignition SW on and throttle valve fully closed
: 3.2–4.8 volts with the ignition SW on and throttle valve fully open
VPA2–E1 : 1.8–2.7 volts with the ignition SW on and throttle valve fully closed
: 4.7–5.1 volts with the ignition SW on and throttle valve fully open
THA–E1 : 0.5–3.4 volts with the idling, intake air temp. 0°C (32°F) –80°C (176° F)
THW–E1 : 0.2–1.0 volts with the idling, engine coolant temp. 60°C (140° F) –120°C (248°F)
STA–E1 : 6.0 volts or more with the engine cranking
W–E1 : 9.0–14.0 volts with the idling and malfunction indicator lamp off
SPD–E1 : Pulse generation with the vehicle moving
STP–E1 : 7.5–14.0 volts with the brake pedal depressed
: Parts Location
Code See Page Code See Page Code See Page
A16 A 36 I2 33 (2UZ–FE) J28 38
A17 B 36 I3 33 (2UZ–FE) J29 A 38
A24 36 I4 33 (2UZ–FE) J30 B 38
A32 36 I5 33 (2UZ–FE) J31 A 38
B4 36 I6 33 (2UZ–FE) J32 B 38
C1 32 (2UZ–FE) I7 33 (2UZ–FE) J33 A 38
C4 32 (2UZ–FE) I8 33 (2UZ–FE) J34 B 38
C8 A 37 I9 33 (2UZ–FE) J35 A 38
C9 B 37 I10 33 (2UZ–FE) J36 B 38
C10 C 37 I11 33 (2UZ–FE) J37 38
D1 37 I12 33 (2UZ–FE) J40 A 40
E2 32 (2UZ–FE) I13 33 (2UZ–FE) J41 B 40
E4 A 37 I14 33 (2UZ–FE) K1 33 (2UZ–FE)
E5 B 37 I15 33 (2UZ–FE) K2 33 (2UZ–FE)
E6 C 37 I16 33 (2UZ–FE) M1 33 (2UZ–FE)
E7 D 37 I18 37 P1 33 (2UZ–FE)
E8 E 37 J2 33 (2UZ–FE) S8 B 39
F8 32 (2UZ–FE) J4 38 S9 C 39
F9 37 J5 38 S12 39
F14 40 J7 38 T2 33 (2UZ–FE)
H5 32 (2UZ–FE) J8 A 38 T8 39
H6 32 (2UZ–FE) J9 B 38 V2 33 (2UZ–FE)
H7 32 (2UZ–FE) J18 38 V8 41
H8 32 (2UZ–FE) J22 38 V10 41
I1 33 (2UZ–FE) J26 38
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