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6-16 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M15 ENGINE)
TERMINAL
WIRE
NUMBER
COLOR
C64-28
RED/BLK
C64-29
–
C64-30
–
C64-31
GRN/WHT
C64-32
GRN/YEL
C64-33
BRN/YEL
C64-34
GRN/ORN
C63-1
BLK/ORN Ground for ECM
C63-2
BLU
C63-3
–
C63-4
BLU/ORN
CIRCUIT
IAC valve output (step-
per motor coil 4)
–
–
Ignition coil No.2 and
No.3 output
Ignition coil No.1 and
No.4 output
EGR valve (stepper
motor coil 4) output
EGR valve (stepper
motor coil 2) output
Oil control valve output
–
Fuel injector No.4 out-
put
NORMAL
VOLTAGE
8 – 14 V
Ignition switch turned ON
*0 – 2 V
Ignition switch is turned to ST (cranking)
↑↓
position.
8 – 14 V
(Output signal is active low duty pulse.
(Reference wave-
Pulse generated times depending vehi-
form No.4)
cle condition)
–
–
0 – 0.6 V
Ignition switch turned ON
*0 – 0.6 V
Engine running
↑↓
(Output signal is active high pulse.
2 – 5 V
Pulse frequency varies depending on
(Reference wave-
engine speed.)
form No.6)
0 – 0.6 V
Ignition switch turned ON
*0 – 0.6 V
Engine running
↑↓
(Output signal is active high pulse.
2 – 5 V
Pulse frequency varies depending on
(Reference wave-
engine speed.)
form No.7)
0 – 2 V
Ignition switch turned ON
*0 – 2 V
Ignition switch is turned to ST (cranking)
↑↓
position.
8 – 14 V
(Output signal is active low duty pulse.
(Reference wave-
Pulse generated times depending on
form No.5)
vehicle condition)
10 – 14 V
Ignition switch turned ON
*0 – 2 V
Ignition switch is turned to ST (cranking)
↑↓
position.
8 – 14 V
(Output signal is active low duty pulse.
(Reference wave-
Pulse generated times depending on
form No.5)
vehicle condition)
Below 0.3 V
Ignition switch turned ON
*0 – 0.6 V
Ignition switch turned ON
↑↓
While engine running.
13 – 14 V
(Output signal is active low duty pulse.
(Reference wave-
Duty ratio varies depending on vehicle
form No.8 and
condition)
No.9)
–
10 – 14 V
Ignition switch turned ON
*0 – 0.6 V
↑↓
Engine running
10 – 14 V
(Output signal is active low pulse. Pulse
(Reference wave-
frequency varies depending on engine
form No.10 and
speed.)
No.11)
CONDITION
–
–
–
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