Suzuki SWIFT 2005 User Manual

1A-172 Engine General Information and Diagnosis:
DTC Troubleshooting
NOTE
• When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the
special tool to ECM and/or the ECM connectors referring to “Inspection of ECM and Its Circuits”.
• Upon completion of inspection and repair work, perform “DTC Confirmation Procedure” and
confirm that the trouble has been corrected.
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed?
Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2 APP sensor and its circuit check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch.
3) Check each voltage of “APP Sensor 1 Volt” and “APP
Sensor 2 Volt” displayed on scan tool when accelerator
pedal is idle position and fully depressed.
Is displayed each APP sensor value as described voltage in
“Scan Tool Data”?
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
Go to Step 3.
3 ECM voltage check
1) Disconnect connector from APP sensor with ignition
switch turned OFF.
2) Check for proper connection to APP sensor at “BRN”,
“GRN”, “BLU”, “RED”, “YEL” and “WHT” wire terminals.
3) If OK, measure voltage between “BRN” wire terminal of
APP sensor connector and vehicle body ground,
between “RED” wire terminal of APP sensor connector
and vehicle body ground with ignition switch turned ON.
Is each voltage 4 – 6 V?
Go to Step 6. Go to Step 4.
4 Wire harness check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Check for proper connection of ECM connector at “E23-
35” and “E23-34” terminals.
3) If OK, measure resistance between “E23-35” terminal of
ECM connector and engine ground, between “E23-34”
terminal of ECM connector and engine ground.
Is each resistance infinity?
Go to Step 5. “BRN” wire or “RED”
wire is shorted to other
circuit.
5 Wire harness check
1) Measure voltage between “E23-35” terminal of ECM
connector and engine ground, between “E23-34”
terminal of ECM connector and engine ground with
ignition switch turned ON.
Is each voltage 0 V?
Substitute a known-
good ECM and recheck.
“BRN” wire or “RED”
wire is shorted to other
circuit.
"GRN"
"BLU"
"BRN"
"YEL"
"WHT"
"RED"
I4RS0B110048-01

Suzuki SWIFT 2005 Specifications

General

Brand	Suzuki
Model	SWIFT 2005
Category	Automobile
Language	English