Suzuki 2006 SX4 Service Manual page 162

1A-118 Engine General Information and Diagnosis:
DTC Detecting Condition and Trouble Area
DTC detecting condition
DTC P2122:
Output voltage of APP sensor (main) is lower than 0.45 V for 0.5
sec.
(1 driving cycle detection logic)
DTC P2123:
Output voltage of APP sensor (main) is higher than 4.8 V for 0.5
sec.
(1 driving cycle detection logic)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Keep the accelerator pedal at idle position for 2 sec.
4) Keep the accelerator pedal at fully depressed position for 2 sec.
5) Repeat Step 3) and 4) for 3 times.
6) Check DTC.
DTC Troubleshooting
Step
1 Was "Engine and Emission Control System Check"
performed?
2 APP sensor assembly mounting check
1) Check that APP sensor assembly has been mounted to
vehicle body properly (no pinched floor carpet, etc.).
Is it in good condition?
3 APP sensor (main) and its circuit check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch, check "APP Sensor 1 Volt"
displayed on scan tool when accelerator pedal is
released and fully depressed.
Is displayed APP sensor value as described voltage in "Scan
Tool Data"?
Action
Trouble area
• APP sensor (main) and/or its circuit
• ECM
Yes
Go to Step 2.
Go to Step 3.
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section
00".
No
Go to "Engine and
Emission Control
System Check".
Reinstall APP sensor
assembly properly
referring to "Accelerator
Pedal Position (APP)
Sensor Assembly
Removal and
Installation in Section
1C".
Go to Step 4.