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Home >> Suzuki >> 2005 >> Verona S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P2119 Main Throttle Idle Actuator (MTIA) Malfunction (Functional Failure) >> DTC Troubleshooting
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DTC Troubleshooting

DIAGNOSIS PROCEDURE - DTC P2119 MAIN THROTTLE IDLE ACTUATOR (MTIA) MALFUNCTION (FUNCTIONAL FAILURE)

Step Action Value(s) Yes No
1 Perform an On-Board Diagnostic (OBD) System Check.
Is the system check complete?		 - Go to Step 2. Go to "ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK ".
2 Turn the ignition switch to ON.
Is the Malfunction Indicator Lamp (MIL) on steady?		 - Go to Step 4. Go to Step 3.
3
  1. Connect the scan tool the DLC.
  2. Turn the ignition switch to ON.

Does the scan tool display serial data?		 - Go to Step 4. Try with another scan tool.
4 Start the engine.
Does the engine start?		 - Go to Step 5. Go to "ENGINE CRANKS BUT WILL NOT RUN ".
5
  1. Turn the ignition switch to LOCK.
  2. Connect the scan tool to the DLC.
  3. Turn the ignition switch to ON.

Are any Diagnostic Trouble Codes (DTCs) displayed?		 - Go to Step 6. Try with another scan tool.
6 Refer to the applicable DTC TABLE .
Is only one DTC identified as valid trouble code P2119?		 - Go to Step 7. Go to applicable DTC TABLE  and Go to "MULTIPLE ECM INFORMATION SENSOR DTCS SET ".
7
  1. Turn the ignition switch to LOCK.
  2. Disconnect the MTIA connector.
  3. Disconnect the ECM connector.
  4. Measure resistance between MTIA connector terminal 4 and ECM connector terminal 28.

Does the resistance measure with the value specified?		 0 Ω Go to Step 8. Go to Step 9.
8 Measure resistance between MTIA connector terminal 8 and ECM connector terminal 71.
Does the resistance measure within the value specified?		 0 Ω Go to Step 10. Go to Step 11.
9
  1. Repair the wire or the connector terminal as needed.
  2. Clear any DTCs from ECM.
  3. Perform the diagnostic system check.

Is the repair complete?		 - System OK Go to Step 8.
10
  1. Repair the wire or the connector terminal as needed.
  2. Clear any DTCs from ECM.
  3. Perform the diagnostic system check.

Is the repair complete?		 - System OK Go to Step 11.
11
  1. Turn the ignition switch to LOCK.
  2. Replace the throttle body assembly.
    • Clear any DTCs from ECM.
    • Perform the diagnostic system check.

Is the repair complete?		 - System OK Go to Step 12.
12
  1. Turn the ignition switch to LOCK.
  2. Replace the ECM.
  3. Perform the diagnostic system check.

Is the repair complete?		 - Go to Step 13. -
13
  1. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  2. Start the engine and idle at normal operating temperature.
  3. Operate the vehicle within the Conditions for setting this DTC as specified in the supporting text.

Does the scan tool indicate that this diagnostic has run and passed?		 - Go to Step 14. Go to Step 2.
14 Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?		 - Go to applicable DTC TABLE . System OK
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