Table of Contents
Advertisement
Terminal
Wire
No.
color
Ignition coil No.2
and No.3 (M16A
engine)
BRN/
C37-20
BLK
Ignition coil No.2
(J20A engine)
Ignition coil No.1
and No.4 (M16A
engine)
C37-21
BRN
Ignition coil No.1
(J20A engine)
BLK/
Starting motor
C37-22
YEL
control relay output
C37-23
—
Engine coolant
PPL/
C37-24
temp. (ECT)
YEL
sensor signal
Intake air temp.
C37-25 LT GRN
(IAT) sensor signal
Mass air flow
C37-26
RED
(MAF) sensor
signal
Ground for MAF
C37-27
BLU
sensor
BRN/
Generator control
C37-28
BLK
signal output
Engine General Information and Diagnosis: For Petrol Engine Model 1A-224
Circuit
Normal voltage
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.12: For
Petrol Engine Model"
and "Reference
waveform No.15: For
Petrol Engine Model")
0 – 0.6 V
*0 – 0.6 V
↑↓
3 – 5 V
("Reference
waveform No.12: For
Petrol Engine Model"
and "Reference
waveform No.16: For
Petrol Engine Model")
0 – 1 V
8 – 14 V
—
—
3.3 – 3.8 V
1.38 – 1.72 V
0.40 – 0.53 V
3.18 – 3.67 V
1.32 – 1.65 V
0.46 – 0.60 V
0.5 – 1.0 V
1.3 – 1.8 V
("Reference
waveform No.17: For
Petrol Engine Model")
Below 0.3 V
*0 – 0.6 V
↑↓
5 – 7 V
("Reference
waveform No.5: For
Petrol Engine Model"
and "Reference
waveform No.6: For
Petrol Engine Model")
Condition
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
Engine running at idle
after warmed up engine.
Ignition switch turned ON.
Ignition switch turned to
ST (engine cranking)
position.
—
Ignition switch turned ON,
ECT at 0 °C, 32 °F.
Ignition switch turned ON,
ECT at 50 °C, 122 °F.
Ignition switch turned ON,
ECT at 100 °C, 212 °F.
Ignition switch turned ON,
IAT at 0 °C, 32 °F.
Ignition switch turned ON,
IAT at 40 °C, 104 °F.
Ignition switch turned ON,
IAT at 80 °C, 176 °F.
Ignition switch turned ON
with engine at stop.
When engine running at
specified idle speed after
warmed up.
Ignition switch turned ON.
Engine running at idle
speed, headlight switch
turned ON.
Remarks
—
Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
—
Output signal is active
high pulse. Pulse
frequency varies
depending on engine
speed.
—
—
—
—
—
—
Output signal is active low
duty pulse. Duty ratio
varies depending on
vehicle condition.
Advertisement
Chapters
Table of Contents
