NAVIGATION SYSTEM (for DVD) > Multi-display Switch Circuit

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DESCRIPTION

The center instrument cluster finish panel assembly (multi-display) opens, closes and tilts the multi-display according to the operation of the "OPEN/CLOSE" and "TILT" switches of the multi-display switch.

WIRING DIAGRAM


E187353E06


E187353E07


INSPECTION PROCEDURE

1.INSPECT MULTI-DISPLAY SWITCH


    E210271E03

  1. Disconnect the H89 multi-display switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for LHD 
    Tester Connection
    		Condition
    		Specified Condition
    H89-12 (SW1) - H89-6 (E)
    		"OPEN/CLOSE" switch not pressed
    		10 kΩ or higher
    H89-12 (SW1) - H89-6 (E)
    		"OPEN/CLOSE" switch pressed
    		Below 1 Ω
    H89-11 (SW2) - H89-6 (E)
    		"TILT" switch not pressed
    		10 kΩ or higher
    H89-11 (SW2) - H89-6 (E)
    		"TILT" switch pressed
    		Below 1 Ω
    for RHD 
    Tester Connection
    		Condition
    		Specified Condition
    H89-11 (SW2) - H89-6 (E)
    		"OPEN/CLOSE" switch not pressed
    		10 kΩ or higher
    H89-11 (SW2) - H89-6 (E)
    		"OPEN/CLOSE" switch pressed
    		Below 1 Ω
    H89-12 (SW1) - H89-6 (E)
    		"TILT" switch not pressed
    		10 kΩ or higher
    H89-12 (SW1) - H89-6 (E)
    		"TILT" switch pressed
    		Below 1 Ω

    Text in Illustration 
    *a
    		Component without harness connected
    (Multi-display Switch)



NG
REPLACE MULTI-DISPLAY SWITCH (Click here)
OK


2.CHECK HARNESS AND CONNECTOR

  1. Disconnect the H89 multi-display switch connector.

  1. Disconnect the H21 display module board connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for LHD 
    Tester Connection
    		Condition
    		Specified Condition
    H89-12 (SW1) - H21-13 (VCC)
    		Always
    		Below 1 Ω
    H89-11 (SW2) - H21-14 (VDD)
    		Always
    		Below 1 Ω
    H89-12 (SW1) - Body ground
    		Always
    		10 kΩ or higher
    H89-11 (SW2) - Body ground
    		Always
    		10 kΩ or higher
    H89-6 (E) - Body ground
    		Always
    		Below 1 Ω
    for RHD 
    Tester Connection
    		Condition
    		Specified Condition
    H89-11 (SW2) - H21-13 (VCC)
    		Always
    		Below 1 Ω
    H89-12 (SW1) - H21-14 (VDD)
    		Always
    		Below 1 Ω
    H89-11 (SW2) - Body ground
    		Always
    		10 kΩ or higher
    H89-12 (SW1) - Body ground
    		Always
    		10 kΩ or higher
    H89-6 (E) - Body ground
    		Always
    		Below 1 Ω



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)