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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Transfer Case (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC P1804: AWD Control Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. PERFORM SELF-DIAGNOSIS AGAIN

    G-20With CONSULT 

    Perform "DTC CONFIRMATION PROCEDURE" (self-diagnosis) again. Refer to DTC LOGIC .

    Is DTC "P1804" detected?

    YES 

    Replace AWD control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.

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