Engine General Information and Diagnosis: 1A-83
5
Wire harness check
1) Turn ignition switch to OFF position.
2) Disconnect connectors from MAP sensor and A/C
refrigerant pressure sensor.
3) Turn ignition switch to ON position.
4) Measure voltage between “GRY/RED” wire terminal of
TP sensor connector and vehicle body ground.
Is terminal voltage about 4 – 6 V?
Faulty MAP sensor and/
or A/C refrigerant
pressure sensor, check
MAP sensor and/or A/C
refrigerant pressure
sensor according to
“Manifold Absolute
Pressure (MAP) Sensor
Inspection: in Section
1C” or “A/C Refrigerant
Pressure Sensor and Its
Circuit Inspection: in
Section 7B”.
Go to Step 6.
6
ECM voltage check
1) Turn ignition switch to OFF position.
2) Remove ECM from its bracket with ECM connectors
connected.
3) Check for proper connection of ECM connector at “C37-
14” terminal.
4) Turn ignition switch to ON position.
5) Measure voltage between “C37-14” terminal of ECM
connector and vehicle body ground.
Is terminal voltage about 4 – 6 V?
“GRY/RED” wire is open
or high resistance
circuit.
Go to Step 8.
7
ECM voltage check
1) Turn ignition switch to OFF position.
2) Check for proper connection of ECM connector at “C37-
54” terminal.
3) Turn ignition switch to ON position.
4) Measure voltage between “C37-54” terminal of ECM
connector and vehicle body ground.
Is terminal voltage about 4 – 6 V?
“GRY/BLU” wire is open
or high resistance
circuit.
Go to Step 8.
8
Wire circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance between “GRY/RED” wire terminal
of TP sensor connector and vehicle body ground,
between “GRY/BLU” wire terminal of TP sensor
connector and body ground and between “GRY/BLU”
and “ORN” wire terminals of TP sensor connector.
Is resistance infinity?
Go to Step 9.
“GRY/RED” and/or
“GRY/BLU” wire are
shorted to ground circuit
and /or “GRY/BLU” wire
is shorted to “ORN”
wire.
If wires are OK,
substitute a known-
good ECM and recheck.
9
Wire circuit check
1) Turn ON ignition switch.
2) Measure voltage between “GRY/RED” wire terminal of
ECM connector and vehicle body ground and between
“GRY/BLU” wire terminal of ECM connector and vehicle
body ground.
Is voltage about 0 V at each terminal?
Go to Step 10.
“GRY/RED” and/or
“GRY/BLU” wire are
shorted to power circuit.
If wires are OK,
substitute a known-
good ECM and recheck.
Step
Action
Yes
No
Содержание SWIFT RS415 2017
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Страница 331: ...Engine Lubrication System 1E 2 I3RH0B150001...
Страница 404: ...1K 6 Exhaust System...
Страница 452: ...2D 8 Wheels and Tires...
Страница 464: ...3A 11 Drive Shaft Axle...
Страница 650: ...5A 110 Automatic Transmission Automatic Transaxle Assembly Components S4RS0A5106025 I3RM0B510053...
Страница 722: ...5B 13 Manual Transmission Manual Transaxle Assembly Components S4RS0A5206028 I4RS0A520013...
Страница 760: ...5C 14 Clutch...
Страница 762: ...6 ii Table of Contents Special Tool 6C 38...
Страница 812: ...6C 39 Power Assisted Steering System...
Страница 860: ...7B 35 Air Conditioning System...
Страница 1069: ...Wiring Systems 9A 62 GEAR ABS BELT DOOR CHARGE IMMOBI BRAKE FUEL RADIO 15A 40 32 5 WHT RED J B G33 G28 1 2 I4RS0A910943...
Страница 1192: ...9L 5 Paint Coatings I4RS0A9C0004 A Apply sealant...
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Страница 1255: ...Prepared by 1st Ed Dec 2004...
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