LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Navigation System (Except Hybrid)) >> Navigation System >> Reverse Signal Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT RADIO AND NAVIGATION ASSEMBLY 
    1. Disconnect the radio and navigation assembly connector F13.
      Fig 1: Identifying Radio And Navigation Assembly Connector F13
      G04980970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

    Standard voltage 

    RADIO AND NAVIGATION ASSEMBLY

    Tester connection Condition Specified condition
    REV - Body ground Ignition switch on (IG). Shift lever Is moved to R position. 10 to 14 V
    REV - Body ground Ignition switch on (IG). Shift lever Is moved to any position except R. Below 1 V

    OK: REPLACE RADIO AND NAVIGATION ASSEMBLY 

    NG: Go to Next Step 

  2. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the radio and navigation assembly connector F13 and park/neutral position switch connector C1 or back-up light switch connector C28.
    2. Fig 2: Identifying F13, C1 And C28 Connector Terminals
      G04980971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    HARNESS AND CONNECTOR

    Tester connection Condition Specified condition
    REV - C1-1 ((1)) Always Below 1 Ω
    REV - C1-2 ((2)) Always Below 1 Ω
    REV - C28-1 ((3)) Always Below 1 Ω
    REV - Body ground Always 10 kΩ or higher
    (1) 2AZ-FE, A/T
    (2) 2GR-FE, A/T
    (3) M/T

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  3. CHECK VEHICLE TYPE 
    1. Choose type to be inspected.

    Result 

    VEHICLE TYPE

    Type Go to step
    A/T A
    M/T B

    B: Go to step   5

    A: Go to Next Step 

  4. INSPECT PARK/NEUTRAL POSITION SWITCH 
    1. Disconnect the park/neutral position switch connector C1.
      Fig 3: Identifying Park/Neutral Position Switch Connector C1
      G04980972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    PARK/NEUTRAL POSITION SWITCH

    Tester connection Condition Specified condition
    C1-1 - C1-2 Shift lever Is moved to R. Below 1 Ω
    C1-1 - C1-2 Shift lever Is moved to any position except R. 10 kΩ or higher

    NG: REPLACE PARK/NEUTRAL POSITION SWITCH 

    OK: REPAIR OR REPLACE HARNESS OR CONNECTOR 

  5. INSPECT BACK-UP LIGHT SWITCH 
    1. Disconnect the buck-up light switch connector C28.
      Fig 4: Identifying Buck-Up Light Switch Connector C28
      G04980973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    BACK-UP LIGHT SWITCH

    Tester connection Condition Specified condition
    C28-1 - C28-2 Shift lever Is moved to R. Below 1 Ω
    C28-1 - C28-2 Shift lever Is moved to any position except R. 10 kΩ or higher

    NG: REPLACE BACK-UP LIGHT SWITCH 

    OK: REPAIR OR REPLACE HARNESS OR CONNECTOR