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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Body Control System) >> DTC/Circuit Diagnosis >> DTC B26E7: TPMS Can Comm >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC "B26E7" detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "DIAGNOSIS PROCEDURE ".
  1. LOW TIRE PRESSURE WARNING CONTROL UNIT SELF DIAGNOSTIC RESULT

    Perform "Self Diagnostic Result" of low tire pressure warning control unit with CONSULT. Refer to "CONSULT FUNCTION ".

    Is any DTC detected? 

    YES: GO TO 2.

    NO: GO TO  4.

  2. LOW TIRE PRESSURE WARNING CONTROL UNIT DIAGNOSIS

    Perform low tire pressure warning control unit component diagnosis of detected DTC. Refer to "DTC INDEX ".

    : GO TO 3.

  3. BCM SELF DIAGNOSTIC RESULT

    Erase DTC of BCM, and perform "Self Diagnostic Result" again.

    Is DTC "B26E7" detected? 

    YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NO: INSPECTION END

  4. REPLACE LOW TIRE PRESSURE WARNING CONTROL UNIT TEMPORARILY

    Remove low tire pressure warning control unit, and install normal low tire pressure warning control unit.

    : GO TO 5.

  5. BCM SELF-DIAGNOSTIC RESULT

    Erase DTC of BCM, and perform "Self Diagnostic Result" of BCM again.

    Is DTC "B26E7" detected? 

    YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NO: Replace low tire pressure warning control unit. Refer to "REMOVAL AND INSTALLATION ".

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