LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2017 >> QX70 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (LAN System (Can) (Wiring Diagrams And Circuit Diagnosis) (Hybrid)) >> Circuit Diagnosis >> Main Line Between RDR-L And AVM Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK CONNECTOR

    1. Turn the ignition switch OFF.
    2. Disconnect the 12V battery cable from the negative terminal.
    3. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
      • Harness connector T5
      • Harness connector B65

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair the terminal and connector.

  2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

    1. Disconnect the following harness connectors.
      • Harness connectors T55 and T9
      • Harness connectors T5 and B65
    2. Check the continuity between the harness connectors terminals.
      Harness connector Harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      T9 6 T5 1 Existed
      5 9 Existed

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Replace the tail harness.

  3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

    1. Disconnect the around view monitor control unit harness connector.
    2. Check the continuity between the harness connector and the around view monitor control unit harness connector.
      Harness connector Around view monitor control unit harness connector Continuity
      Connector No. Terminal No. Connector No. Terminal No.
      B65 1 B50 27 Existed
      9 28 Existed

    Is the inspection result normal?

    YES (Present error) 

    Check CAN system type decision again.

    YES (Past error) 

    Error was detected in the main line between the side radar LH and the around view monitor control unit.

    NO 

    Replace the body No. 2 harness.