Toyota COROLLA2004 Electrical Wiring Diagram page 67

Service Hints
C/OPN Relay
5–3 : Closed with the starter running and the engine running
EFI Relay
5–3 : Closed with the ignition SW at ON or ST position
E2 Engine Coolant Temp. Sensor
1–2 : Approx. 15.04 kΩ (–20°C, –4°F)
Approx. 5.74 kΩ ( 0°C, 32°F)
Approx. 2.45 kΩ (20°C, 68°F)
Approx. 0.318 kΩ (80°C, 176°F)
E3 (A), E4 (B), E5 (C), E6 (D) Engine Control Module
Voltage at engine control module wiring connectors
+B–E1 : 9–14 volts (Ignition SW at ON position)
VC–E1 : 4.5–5.5 volts (Ignition SW at ON position)
VTA–E1 : 0.3–0.8 volts (Ignition SW on and throttle valve fully closed)
: 3.2–4.9 volts (Ignition SW on and throttle valve fully open)
EVG–E1 : 3.3–3.9 volts (Ignition SW at ON position)
THA–E1 : 0.5–3.4 volts (Engine idling and intake air temp. 0–80°C, 32–176°F)
THW–E1 : 0.2–1.0 volts (Engine idling and engine coolant temp. 60–120°C, 140–248°F)
STA–E1 : 6–14 volts (Engine cranking)
IGT1, IGT2, IGT3, IGT4–E1 : Pulse generation (Engine idling)
IGF–E1 : Pulse generation (Engine idling)
FC–E1 : 9–14 volts (Ignition SW on and engine stopping)
0–3 volts (Engine idling)
W–E1 : 9–14 volts (Engine idling and warning light off)
A/CS–E1 : 9–14 volts (Ignition SW on and A/C SW off)
SPD–E1 : Pulse generation (Driving approx. 20 km/h)
ELS–E1 : 7.5–14 volts (Ignition SW on and taillight on)
ELS2–E1 : 7.5–14 volts (Ignition SW on and rear window defogger on)
NSW–E1 : 0–3 volts (Engine cranking)
#10, #20, #30, #40–E1 : Pulse generation (Engine idling)
NE+ –NE– : Pulse generation (Engine idling)
RSO–E1 : Pulse generation (Engine idling)
G2+ –NE– : Pulse generation (Engine idling)
TBP–E1 : 9.0–14.0 volts (Ignition SW on)
PTNK–E1 : 3.0–3.6 volts (Ignition SW at ON position and remove fuel cap)
OX1A, OX1B–E1 : Pulse generation (Maintain engine speed at 2500 rpm for two minutes after warming up.)
HT1A, HT1B–E1 : 9.0–14.0 volts (Ignition SW at ON position)
0–3.0 volts (Engine idling)
KNK1–E1 : Pulse generation (Engine idling)
EVP–E1 : 9.0–14.0 volts (Ignition SW at ON position)
TACH–E1 : Pulse generation (Engine idling)
2004 COROLLA (EWD533U)
67