Suzuki Ignis Service Manual page 3280

Step
9 Check IAT sensor according to "Mass air flow
(MAF) and intake air temperature (IAT) sensor
inspection" in Section 6E1.
Is it in good condition?
[A]
V
1
Action
2
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-79
Yes
Substitute a known-good
ECM and recheck.
[A]: Fig. 1 for Step 3
1. Disconnected MAF and IAT sensor connector
2. Engine ground
No
Replace MAF and IAT
sensor.