Toyota Camry 1999 Electrical Troubleshooting Manual page 73

SERVICE HINTS
E5 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. 1.15 kΩ (40_C, 104_F)
Approx. 0.584 kΩ (60_C, 140_F)
Approx. 0.318 kΩ (80_C, 176_F)
E7 (A), E8 (B), E9 (C), E10 (D), E11 (E) ENGINE CONTROL MODULE
Voltage at engine control module wiring connector
BATT–E1 : Always 9.0–14.0 volts
+B–E1 : 9.0–14.0 volts (Ignition SW at ON position)
VC–E2 : Always 4.5–5.5 volts (Ignition SW at ON position)
VTA1–E2 : 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)
VG–E2G : 1.1–1.5 volts (Engine idling and A/C SW OFF position)
THA–E2 : 0.5–3.4 volts (Engine idling and intake air temp. 20°C, 68°F)
THW–E2 : 0.2–1.0 volts (Engine idling and engine coolant temp. 80°C, 176°F)
IGF–E1 : 4.5–5.5 volts (Ignition SW at ON position)
Pulse generation (Engine idling)
G22+–NE– : Pulse generation (Engine idling)
NE+–NE– : Pulse generation (Engine idling)
NSW–E1 : 9.0–14.0 volts (Ignition SW on and other shift position in P or N position)
Below 3.0 volts (Ignition SW on and shift position in P or N position)
SPD–E1 : Pulse generation (Ignition SW on and rotate driving wheel slowly)
TC–E1 : 9.0–14.0 volts (Ignition SW at ON Position)
W–E1 : Below 3.0 volts
A/C–E1 : Below 2.0 volts (Engine idling and A/C SW on)
9.0–14.0 volts (A/C SW off)
ACT–E1 : 9.0–14.0 volts (Engine idling and A/C SW on)
Below 2.0 volts (A/C SW off)
ACIS–E01 : 9.0–14.0 volts (Ignition SW at ON position)
STA–E1 : 6.0 volts or more (Engine cranking)
THG–E2 : 4.5–5.5 volts (Ignition SW at ON position)
ELS–E1 : 7.5–14.0 volts (Taillight SW at ON position)
0–1.5 volts (Taillight SW at OFF position)
ELS2–E1 : 7.5–14.0 volts (Defogger SW at ON position)
0–1.5 volts (Defogger SW at OFF position)
EGR–E01 : 9.0–14.0 volts (Ignition SW at ON position)
FC–E1 : 9.0–14.0 volts (Ignition SW at ON position)
0–3.0 volts (Engine idling)
EVP1–E01 : 9.0–14.0 volts (Ignition SW at ON position)
CF–E1 : 9.0–14.0 volts (Electric cooling fan is operating on high speed)
0–2.0 volts (Electric cooling fan is operating on low speed or off)
TACH–E1 : Pulse generation (Engine idling)
TPC–E1 : 9.0–14.0 volts (Ignition SW on and disconnect the vacuum hose from the vapor pressure sensor)
PTNK–E1 : 3.0–3.6 volts (Ignition SW at ON position)
1.3–2.1 volts (Ignition SW on and apply vacuum 2.0 kpa (15.0 mmHg, 0.6 in.Hg)
STP–E1 : 7.5–14.0 volts (Ignition SW on and brake pedal depressed)
Below 1.5 volts (Ignition SW on and brake pedal released)
SIL–E1 : Pulse generation (During transmission)
RSC, RSO–E01 : 9.0–14.0 volts (Ignition SW on and disconnect E 7 of engine control module connector)
KNKL, KNKR–E1 : Pulse generation (Engine idling)
HTS, HTL, HTR–E03 : 9.0–14.0 volts (Ignition SW at ON position)
0–3.0 volts (Engine idling)
OXS, OXL, OXR–E1 : Pulse generation (Maintain engine speed at 2500 rpm for two minutes after warning up)
IGT1, IGT2, IGT3–E1 : Pulse generation (Engine idling)
#10, #20, #30, #40, #50, #60–E01 : 9.0–14.0 volts (Ignition SW at ON position)
Pulse generation (Engine idling)