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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes & Symptom Tests - (Hybrid) >> Navigation System >> Circuit Tests >> Reverse Signal Circuit [10/2014 - ] >> Procedure

Reverse Signal Circuit [10/2014 - ]: Procedure

  1. CHECK BACK-UP LIGHT 
    1. Move the shift lever to R and check that the back-up lights come on.

      OK

      The back-up lights come on.

    Result: 

    NG 

    GO TO LIGHTING SYSTEM 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL) 
    1. Disconnect the I8 navigation ECU sub-assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      I8-2 (REV) - Body ground Power switch on (IG)
      Shift lever in R
      11 to 14 V
      I8-2 (REV) - Body ground Power switch on (IG)
      Shift lever in any position other than R
      Below 1 V

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR