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Combination Meter ASSY

Fig 1: Identifying Combination Meter Assy Terminals Of ECU
G03470525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SPECIFIED CONDITION

Terminal No. Wiring color Condition Specified condition
C9-1 <=> Body ground Y-B <=> Body ground Ignition switch ON and Height control indicator N OFF --> ON 10 - 14 V --> Below 1 V
C9-2 <=> Body ground BR-B <=> Body ground Ignition switch ON and Height control indicator LO OFF --> ON 10-14V <=> Below 1 V
C9-3 <=> Body ground Y-G <=> Body ground Ignition switch ON and Height control indicator OFF OFF --> ON 10 -14 V --> Below 1 V
C9-4 <=> Body ground GR-R <=> Body ground Ignition switch ON and 2nd Start indicator light OFF --> ON 10 - 14 V --> Below 1 V
C9-6 <=> Body ground G <=> Body ground Ignition switch ON and A/T P indicator light OFF --> ON Below 1 V --> 10 - 14 V
C9-7 <=> Body ground P <=> Body ground Ignition switch ON and A/T Oil temp indicator light OFF --> ON 10 - 14 V --> Below 1 V
C9-8 <=> Body ground Y-R <=> Body ground Washer level switch ON Below 1 V
C9-9 <=> Body ground BR <=> Body ground Any Contents Continuity
C9-10 <=> Body ground BR <=> Body ground Any Contents Continuity
C9-11 <=> Body ground Y <=> Body ground Ignition switch ON and Height control indicator HI OFF --> ON 10-14 V --> Below 1 V
C9-12 <=> Body ground G-O <=> Body ground Ignition switch ON and Passenger side seat belt warning light OFF --> ON Below 1 V --> 10-14 V
C9-13 <=> Body ground W-L <=> Body ground Ignition switch ON and Passenger side seat belt unfastened --> fastened Below 1 V --> 10-14 V
C9-14 <=> Body ground B <=> Body ground Communication circuit -
C9-15 <=> Body ground P <=> Body ground Communication circuit -
C9-16 <=> Body ground G-R <=> Body ground Tail switch ON and rheostat switch Max position (TC position) Continuity
C9-17 <=> Body ground W-G <=> Body ground Rheostat switch Min --> Max Below 1 V --> 10-14 V
C9-18 <=> Body ground G-R <=> Body ground Ignition switch ON and A/T (L) indicator light OFF --> ON Below 1 V --> 10 - 14 V
C9-19 <=> Body ground R-L <=> Body ground Ignition switch OFF --> ON Below 1 V --> 10 - 14 V
C9-20 <=> Body ground R <=> Body ground Any Contents 10-14 V
C10-2 <=> Body ground L-Y <=> Body ground Turn signal RH indicator light OFF --> ON Below 1 V --> 10-14 V
C10-4 <=> Body ground R-W <=> Body ground Any condition 10-14 V
C10-5 <=> Body ground R-G <=> Body ground Ignition switch ON and Beam indicator light OFF --> ON 10 - 14 V --> Below 1 V
C10-7 <=> Body ground L-B <=> Body ground Turn signal LH indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-8 <=> Body ground B-L <=> Body ground Ignition switch ON and Brake indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-9 <=> Body ground LG <=> Body ground Ignition switch ON and Brake indicator light OFF --> ON 10 - 14 V --> Below 4 V
C10-10 <=> Body ground LG-R <=> Body ground Ignition switch ON and ABS indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-12 <=> Body ground W-B <=> Body ground Any Contents Continuity
C10-13 <=> Body ground L <=> Body ground Ignition switch ON and A/T (2) indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-14 <=> Body ground G-O <=> Body ground Ignition switch ON and A/T (3) indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-16 <=> Body ground G-Y <=> Body ground Ignition switch ON and A/T (D) indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-17 <=> Body ground G-W <=> Body ground Ignition switch ON and A/T (N) indicator light OFF --> ON Below 1 V --> 10 - 14 V
C10-18 <=> Body ground R-B <=> Body ground Ignition switch ON and A/T (R) indicator light OFF --> ON Below 1 V --> 10 -14 V
C10-19 <=> Body ground G-B <=> Body ground Ignition switch ON and A/T (P) indicator light OFF --> ON Below 1 <=> 10 - 14 V
C10-20 <=> Body ground V-W <=> Body ground Security indicator light OFF --> ON Below 1 V --> 10 - 14 V
C11-2 <=> Body ground B-R <=> Body ground Ignition switch ON 10 - 14 V
C11-3 <=> Body ground R-L <=> Body ground Ignition switch OFF --> ON, Engine idle speed Puls generation ((3))
C11-4 <=> Body ground BR-R <=> Body ground Ignition switch ON and Fuel level is full <=> empty Below 2 V --> 6 V
C11-5 <=> Body ground P-B <=> Body ground Ignition switch ON and Temperature gauge COOL <=> HOT Below 2.5 V --> 1.5 V
C11-8 <=> Body ground B-Y <=> Body ground Ignition switch ON and SRS indicator light OFF --> ON Below 1 V --> 10 - 14 V
C11-9 <=> Body ground V-Y <=> Body ground Door close <=> open Below 1 V --> 10 - 14 V
C11-11 <=> Body ground LG-B <=> Body ground Ignition switch OFF and buzzer sound <=> no sound Below 1 V --> 10 - 14 V
C11-12 <=> Body ground B-Y <=> Body ground Ignition ON <=> START 10-14 V --> Below 1 V
C11-13 <=> Body ground B-W <=> Body ground Ignition switch OFF --> ON, Engine idle speed Puls generation ((2))
C11-14 <=> Body ground V-R <=> Body ground Ignition switch ON and turn the wheel slowly Puls generation ((1))
C11-15 <=> Body ground P-L <=> Body ground Ignition switch ON and turn the wheel slowly Puls generation ((1))
C11-17 <=> Body ground GR-B <=> Body ground Ignition switch ON and Driver side seat belt warning light OFF --> ON Below 1 V --> 10 - 14 V
C11-19 <=> Body ground L-B <=> Body ground Driver side door is close <=> open Below 1 V --> 10 - 14 V
C12-2 <=> Body ground W-B <=> Body ground Any Contents Continuity
C12-3 <=> Body ground R-Y <=> Body ground Any Contents 10 - 14 V
C12-4 <=> Body ground LG <=> Body ground Ignition switch ON and CRUISE indicator light OFF --> ON 10 - 14 --> Below 1 V
C12-8 <=> Body ground GR <=> Body ground Ignition switch ON and Charge indicator light OFF --> ON 10-14 V --> Below 1 V
C12-9 <=> Body ground LG-B <=> Body ground Ignition switch ON and oil pressure indicator light OFF --> ON 10 - 14 V --> Below 1 V
C12-10 <=> Body ground R-B <=> Body ground Ignition switch ON and Check engine warning light OFF --> ON 10 - 14 V --> Below 1 V
G12-13 <=> Body ground G <=> Body ground Combination switch OFF --> Tail Below 1 V --> 10 - 14 V
C12-14 <=> Body ground BR-Y <=> Body ground Ignition switch ON and DAC indicator light OFF --> ON 10 - 14 V --> Below 1 V
C12-15 <=> Body ground G-W <=> Body ground Ignition switch ON and CTR DIFF LOCK or 4WD indicator light OFF --> ON 10 - 14 V --> Below 1 V
C12-16 <=> Body ground Y-R <=> Body ground Ignition switch ON and VSC TRAC indicator light OFF --> ON 10 - 14 V --> Below 1 V
C12-18 <=> Body ground L-O <=> Body ground Ignition switch ON and VSC OFF indicator light OFF --> ON 10-14 V --> Below 1 V
C12-20 <=> Body ground R <=> Body ground Ignition switch ON and Slip indicator light OFF --> ON 10 - 14 V --> Below 1 V
(1) Reference: Using oscilloscope: See ITEM REFERENCE CHART 
(2) Reference: Using oscilloscope: See ITEM REFERENCE CHART 
(3) Reference: Using Oscilloscope: See ITEM REFERENCE CHART 
ITEM REFERENCE CHART

Item Contents
Tool setting 5 V/ DIV, 200 ms/ DV
Vehicle condition Driving at approx. 20Km/h
Fig 2: Identifying Wave Form (1 Of 3)
G03470526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ITEM REFERENCE CHART

Item Contents
Tool setting 10 V/ DIV, 20 ms/DV
Vehicle condition Engine idle speed
Fig 3: Identifying Wave Form (2 Of 3)
G03470527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ITEM REFERENCE CHART

Item Contents
Tool setting 10 V/ DIV, 20 ms/ DV
Vehicle condition Engine idle speed
Fig 4: Identifying Wave Form (3 Of 3)
G03470528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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