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Diagnostic procedure

DTC P0505 [L3] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
Yes Perform repair or diagnosis according to available repair information.
  • If vehicle is not repaired, go to the next step.
No Go to the next step.
2 VERIFY RELATED PENDING OR STORED DTC 
  • Turn the ignition switch off then to the ON position. (Engine off)
  • Verify pending code or stored DTCs using the M-MDS.
  • Does DTC P0506, P0507, P0638, P2100, P2101, P2107, P2108, or P2119 presents?
Yes Perform the applicable DTC troubleshooting.
(See DTC TABLE .)
No Go to the next step.
3 INSPECT A/C MAGNETIC CLUTCH OPERATION Note 
NOTE:
  • The following test should be performed for the A/C. Go to the next step for vehicles without A/C.

  • Turn the fan switch off.
  • Is the magnetic clutch still on?
Yes Go to "A/C ALWAYS ON/A/C COMPRESSOR RUNS CONTINUOUSLY." of ENGINE SYMPTOM TROUBLESHOOTING then go to Step 8.
(See SYMPTOM DIAGNOSTIC INDEX .)
No Go to the next step.
4 INSPECT GENERATOR CONTROL CIRCUIT MALFUNCTION 
  • Apply electrical load.
  • Is the engine speed increased?
Yes Go to the next step.
No Repair short to power supply in generator control circuit, then go to Step 8.
5 INSPECT AIR CLEANER ELEMENT 
  • Remove air cleaner element with the engine running.
  • Is the engine speed increased?
Yes Clean or replace the air cleaner element, then go to Step 8.
No Go to the next step.
6 INSPECT THROTTLE BODY PASSAGE 
  • Is the throttle body clogged?
Yes Clean or replace the throttle body passage, then go to Step 8.
No Go to the next step.
7 INSPECT ENGINE COMPRESSION 
Yes Go to the next step.
No Overhaul the engine, then go to the next step.
8 VERIFY TROUBLESHOOTING OF DTC P0505 COMPLETED 
  • Make sure to reconnect all disconnected connectors.
  • Clear the DTC using the M-MDS.
  • Perform the KOER Self-Test.

    (See KOEO/KOER SELF TEST .)

  • Is the same DTC present?
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION .)
No Go to the next step.
9 VERIFY AFTER REPAIR PROCEDURE 
Yes Go to the applicable DTC troubleshooting.
(See DTC TABLE .)
No Troubleshooting completed.