Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Service manual — part 198
ENGINE DRIVEABILITY AND EMISSIONS
6E–33
ECM WIRING DIAGRAM (7/9)
Manifold
Absolute
Pressure(MAP) Sensor
Crankshaft
Position(CKP)
Sensor
µP
0.5
GRY/
BLU
J1-16
0.5
GRY/
RED
J1-24
0.5
YEL/
RED
J1-31
0.5
BLK/
WHT
J1-1
0.5
BLK/
WHT
J1-2
0.5
BLK/
WHT
J1-17
0.5
BLK
J1-6
0.5
WHT
J1-21
INLET
MANIFOLD
5 Volts
Reference
Engine
Control
Module
(ECM)
6E–34
ENGINE DRIVEABILITY AND EMISSIONS
ECM WIRING DIAGRAM (8/9)
µP
0.5
GRY
J1-27
+5V
µP
µP
5Volts
Reference
Knock
Sensor
0.5
YEL
0.5
WHT/
BLU
J1-7
0.5
BLU/
PNK
J1-32
0.5
BLK/
YEL
J1-15
J1-3
Engine
Coolant
Temperature(ECT)
Sensor
Throttle
Position Sensor
Knock Filter
Module
Engine
Control
Module
(ECM)
ENGINE DRIVEABILITY AND EMISSIONS
6E–35
ECM WIRING DIAGRAM (9/9)
Battery
Voltage
A/C
10A
COMPRESSOR
RELAY
0.5
BRN/
YEL
0.5
GRY/
RED
J2-13
0.5
GRN/
BLK
J2-26
MAGNETIC
CLUTCH
µP
A/C PRESSURE S/W
THERMO
RELAY
µP
Engine
Control
Module
(ECM)
6E–36
ENGINE DRIVEABILITY AND EMISSIONS
ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL
Connector J1 Port: View Looking Into ECM Case
1
17
16
32
PIN16
PIN1
PIN17
PIN32
Pin
No.
B/Box
No.
Pin Function
Wire
Color
Signal or Continuity
ECM
Connection
Tester Position
Key SW
Off
Key SW
On
Engine
Idle
Engine
2000rpm
Range
(+)
(-)
J1-1
1
Ground
BLK/WHT
Continuity
with
ground
-
-
-
Disconnect
Ω
1
GND
J1-2
2
Ground
BLK/WHT
Continuity
with
ground
-
-
-
Disconnect
Ω
2
GND
J1-3
3
Knock Sensor Signal
YEL
-
-
-
-
-
-
-
-
J1-4
4
No Connection
-
-
-
-
-
-
-
-
-
J1-5
5
Canister Purge
Solenoid Valve
GRN/
WHT
Less than
1V
Battery
voltage
Wave form/ battery
voltage while solenoid
is not activated
Connect
DC V
5
GND
J1-6
6
Crankshaft Position
(CKP) Sensor
(Ground)
BLK Continuity
with
ground
-
-
-
Connect
Ω
6
GND
J1-7
7
Throttle Position
Sensor (TPS) Output
Signal
WHT/BLU
Approx. 6.0k
Ω at idle /
Approx. 1.7k
Ω at WOT
Approx. 2.3k
Ω at idle /
Approx. 6.6k
Ω at WOT
-
-
Disconnect
Ω
7
15 /
32
J1-8
8
No. 3 Injector
BLU/WHT
Less than
1V
Battery
voltage
Wave form
Connect
DC V
8
GND
J1-9
9
No. 1 Injector
PNK/BLU
Less than
1V
Battery
voltage
Wave form
Connect
DC V
9
GND
J1-10
10
No Connection
-
-
-
-
-
-
-
-
-
J1-11
11
No. 4 Injector
BLU/YEL
Less than
1V
Battery
voltage
Wave form
Connect
DC V
11
GND
J1-12
12
No Connection
-
-
-
-
-
-
-
-
-
J1-13
13
Idle Air Control Valve
(IACV) Coil B High
YEL/BLU
Less than
1V
Less than 1V / Battery voltage
Connect
DC V
13
GND
J1-14
14
No Connection
-
-
-
-
-
-
-
-
-
J1-15
15
Throttle Position
Sensor (TPS) Power
Supply
BLK/YEL
Less than
1V
Approx. 5V
Connect
DC V
15
32
J1-16
16
MAP Sensor Ground
GRY/BLU
Continuity
with
ground
-
-
-
Connect
Ω
16
GND
J1-17
17
Ground
BLK/WHT
Continuity
with
ground
-
-
-
Connect
Ω
17
GND
J1-18
18
Coil Module No. 1 &
No.4
BLU Less
than
1V
Battery
voltage
Wave form
Connect
DC V
18
GND
J1-19
19
Coil Module No. 2 &
No. 3
GRN
Less than
1V
Battery
voltage
Wave form
Connect
DC V
19
GND
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