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DTC Troubleshooting

DIAGNOSIS PROCEDURE - DTC P0273 INJECTOR 5 LOW INPUT

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
  1. Turn the ignition switch to LOCK.
  2. Disconnect the injector connector.
  3. Disconnect the ECM connector.
  4. Check for an open or a short to ground in the wire between the injector 5 connector terminal 2 and the ECM connector terminal 61.

Is the problem found?
- Go to Step 3. Go to Step 4.
3
  1. Repair the wire or connector terminal between the injector 5 connector terminal 2 and the ECM connector terminal 61.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Is the repair complete?
- System OK -
4
  1. Turn the ignition switch to LOCK.
  2. Check for an open or a short to ground in the wire between injector 5 connector terminal 1 and the main relay terminal 87.

Is the problem found?
- Go to Step 5. Go to Step 6.
5
  1. Repair the wire or connector terminal between the injector 5 connector terminal 1 and the main relay terminal 87.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Is the repair complete?
- System OK -
6
  1. Replace the injector 5.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Is the repair complete?
- System OK Go to Step 7.
7
  1. Turn the ignition switch to LOCK.
  2. Replace the ECM.
  3. Perform an On-Board Diagnostic (OBD) System Check.

Is the repair complete?
- System OK -