Suzuki Vitara (LY) 2016-2017 · Service Manual D16AA · Diagnostic Information and Procedures

DTC P2199

Precautions: General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
P2199: Intake Air Temperature Sensor 1/2 Correlation
Difference between IAT sensor-1 signal and EGT sensor-1 signal is higher than specified value.
(1 D/C detection logic but MIL does not light up)
•IAT sensor-1 and/or its circuit
•EGT sensor-1 and/or its circuit
•ECM
Circuit Diagram
img
[A]: ECM connector (View: [a]) 2. MAF sensor with IAT sensor-1
1. ECM 3. EGT sensor-1
DTC Troubleshooting
Step Action Yes No
1
Was “Engine and Emission Control System Check” performed?
Go to Step 2.
2
IAT sensor-1 operation check
1)Check that IAT sensor-1 is working properly. icon 
Is check result OK?
Go to Step 3.
Repair or replace defective part(s).
3
EGT sensor-1 operation check
1)Check that EGT sensor-1 is working properly. icon 
Is check result OK?
Replace ECM and recheck DTC. icon 
Repair or replace defective part(s).