1A
DTC P0110: Mass Air Flow Circuit
Wiring Diagram
For wiring circuit and connector number, refer to “K9K Engine (Type 5)” in A-4 Engine Control System Circuit Diagram .
Detecting Condition
NOTE:
Generic scan tool displays status with * mark only.
Status displayed on SUZUKI scan tool Detecting condition Indicator / Warning light operation
D1 Parameter at limit minimum Does not light
D2 Parameter at limit maximum
*D3 Parameter low level MIL light up
*D4 Parameter high level
Troubleshooting
Check the connection and condition of the MAF and IAT sensor connector.
Repair if necessary.
Visually check that the turbocharger circuit sealing.
Repair if necessary.
Check that the air filter is not blocked.
Clean or replace air cleaner filter if necessary.
Check turbo charger referring to Turbocharger Inspection:K9K .
Replace if necessary.
Check that the air inlet system is not blocked between the air filter outlet and the intake manifold.
Repair if necessary.
Check the connection and condition of the ECM “C47” connector.
Repair if necessary.
Check for the 5 V after ignition feed on “C98-5” terminal of MAF and IAT sensor connector.
Repair if necessary.
Check for insulation, continuity and absence of interference resistance of the connections:
• Between “C98-2” terminal of MAF and IAT sensor connector and “C47-38” terminal of ECM connector
• Between “C98-6” terminal of MAF and IAT sensor connector and “C47-28” terminal of ECM connector
Repair if necessary. If DTC P0100 is still detected, replace the MAF and IAT sensor.
After Repair
Deal with any faults detected by SUZUKI scan tool.
Clear the DTC.
Carry out a road test followed by another check with the SUZUKI scan tool.