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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter - Diagnosis >> Terminals Of Ecu >> MULTI DISPLAY (w/o Navigation)

MULTI DISPLAY (w/o Navigation)

Fig 1: Identifying Multi Display Connectors (W/O Navigation)
G03487206Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
MULTI DISPLAY CONNECTORS SPECIFIED CONDITION

Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
+B (C4-1) - GND (C4-7) O - W-B Battery Constant 10 to 14 V
ACC (C4-2) - GND (C4-7) GR - W-B Ignition switch signal Ignition switch OFF --> ACC Below 1 V --> 10 to 14 V
LP (C4-4) - GND (C4-7) P - W-B Theft deterrent indicator signal Put ignition key IN --> OUT from ignition key cylinder Below 1 V --> Puls generation (Below 1 V --> 10 to 14 V)
MPX+ (C4-5) L Communication signal Communication circuit -
P-AB (C4-6) - GND (C4-7) BR - W-B Airbag signal Ignition switch ON, Airbag indicator ON --> OFF Below 1 V --> 10 to 14 V
GND (C4-7) - Body ground W-B - Body ground Ground Constant Continuity
ILL+ (C4-8) - GND (C4-7) G - W-B Illumination signal Headlight switch OFF --> ON Below 1 V --> 10 to 14 V
IG+ (C4-9) - GND (C4-7) LG - W-B Ignition switch signal Ignition switch OFF --> ON Below 1 V --> 10 to 14 V
F (C4-11) - GND (C4-7) V - W-B Turn signal Turn signal indicator light OFF --> ON Below 1 V --> 10 to 14 V
MPX- (C4-12) GR Communication signal Communication circuit -
ILL- (C4-14) - GND (C4-7) W - W-B Illumination signal Headlight switch ON, Light control rheostat position MIN --> MAX Puls generation ((1))
(1) Reference: Using oscilloscope:
ITEM AND CONTENTS

Item Contents
Tool setting 2 V/ DIV, 1 ms/ DIV
Vehicle condition Ignition switch ON

HINT:

Duty ratio changes as illumination becomes darker ("A" becomes longer).

Fig 2: Identifying Waveform Graph
G03487207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002