Suzuki Grand Vitara 2011 Manual page 277

DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions for DTC Troubleshooting: For Petrol Engine Model".
Step
1 Was "Engine and Emission Control System Check"
performed?
2 Accelerator pedal position (APP) sensor assembly
mounting check
1) Check that accelerator pedal position (APP) sensor
assembly has been mounted to vehicle body properly
(no pinched floor carpet, etc).
Is it OK?
3 Accelerator pedal position sensor (sub) and its circuit
check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch, check "APP Sensor 2 Volt"
displayed on scan tool.
Is displayed voltage below 0.1 V?
4 ECM voltage check
1) Disconnect connector from accelerator pedal position
(APP) sensor assembly with ignition switch turned OFF.
2) Check for proper connection to accelerator pedal
position (APP) sensor assembly at "ORN/BLU", "BLU/
GRN" and "BLU/YEL" wire terminals.
"ORN BLU"
3) If OK, measure voltage between "ORN/BLU" wire
terminal of accelerator pedal position (APP) sensor
assembly connector and vehicle body ground with
ignition switch turned ON.
Is voltage 4 – 6 V?
Engine General Information and Diagnosis: For Petrol Engine Model 1A-208
Action
"ORN"
"WHT/BLU"
"BLU/YEL"
"WHT"
"BLU/GRN"
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 7.
I5JB0A110071-01
No
Go to "Engine and
Emission Control
System Check: For
Petrol Engine Model".
Reinstall accelerator
pedal position (APP)
sensor assembly
properly referring to
"Accelerator Pedal
Position (APP) Sensor
Assembly Removal and
Installation: For Petrol
Engine Model in Section
1C".
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section
00".
Go to Step 5.