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Home >> Infiniti >> 2010 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0159 >> DTC P0037, P0038, P0057, P0058 Ho2S2 Heater >> DTC Confirmation Procedure

DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: 

Before performing the following procedure, confirm that battery voltage is between 11 V and 16 V at idle  .

  1. Turn ignition switch ON and wait at least 5 seconds.
  2. Check 1st trip DTC.
  3. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
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