RM3660EC _58 Vehicle Interior _080793 METER / GAUGE / DISPLAY _0473175 METER / GAUGE SYSTEM(for 12.3 Inch Display) U

METER / GAUGE / DISPLAY  METER / GAUGE SYSTEM(for 12.3 Inch Display)  TERMINALS OF ECU  


COMBINATION METER ASSEMBLY


E513153
3.333,0.198 3.74,0.417 0.406,0.219 1.677,1.365 2.083,1.583 0.406,0.219 5.052,1.365 5.458,1.583 0.406,0.219 3.406,0.229 3.865,0.427 0.458,0.198 10 false I215 1.823,1.396 2.281,1.594 0.458,0.198 10 false I4 5.198,1.396 5.656,1.594 0.458,0.198 10 false I5

a.

Measure the voltage and resistance and check for pulses according to the value(s) in the table below.

Terminal No. (Symbol) Terminal Description Condition Specified Condition
I4-1 (EP) - Body ground Ground Always Below 1 Ω
I4-2 (ES) - Body ground Ground Always Below 1 Ω
I4-5 (B) - Body ground Power source for auxiliary battery
·

Ignition switch off*1

·

Always*2


11 to 14 V
I4-6 (IG+) - Body ground Power source for IG relay IG OFF → IG ON
·

Below 1 V → 11 to 14 V*1

·

Below 1 V → 10.5 to 16 V*2


I4-8 (+S) - Body ground Vehicle speed output signal Ignition switch ON, wheel being rotated Pulse generation
(See waveform 1)
I4-9 (S) - Body ground*6 Engine oil pressure signal Engine started → not started 11 to 14 V → Below 1 V
I4-11 (SW) - Body ground*7 Brake fluid level warning switch signal Ignition switch ON, brake fluid level not low (brake warning light/red (malfunction) off) → low (brake warning light/red (malfunction) on) 11 to 14 V → Below 1 V
I4-12 (HZSW) - Body ground Hazard warning signal switch signal Hazard warning signal switch off → on 11 to 14 V → Below 1 V
I4-14 (OILW) - Body ground*3 Engine oil level sensor signal Ignition switch ON, engine oil level not low → low Below 1 V → 11 to 14 V
I4-25 (SI) - Body ground Vehicle speed input signal Ignition switch ON, wheel being rotated Pulse generation
(See waveform 1)
I4-27 (VCM) - Body ground*2 Vacuum warning switch signal Engine started, vacuum warning switch off (brake warning light off) → on (brake warning light on) 11 to 14 V → Below 1 V
I4-28 (LST1) - Body ground*1 Fuel lid status signal The following message (interrupt display) being displayed on the multi-information display:

Ready to Refuel


Pulse generation (See waveform 4)
The following message (interrupt display) being displayed on the multi-information display:

Close Fuel Lid


Pulse generation (See waveform 5)
I4-29 (BKL) - Body ground Front driver seat belt buckle switch signal Ignition switch ON, front driver seat belt unfastened → fastened 11 to 14 V → Below 1 V
I5-2 (B) - Body ground Power source for auxiliary battery
·

Ignition switch off*1

·

Always*2


11 to 14 V
I5-5 (LL) - Body ground Front/side turn signal flasher signal
(LH side)
Turn indicator light (LH) blinking 11 to 14 V ←→ Below 1 V
Turn indicator light (LH) off Below 1 V
I5-6 (LR) - Body ground Front/side turn signal flasher signal
(RH side)
Turn indicator light (RH) blinking 11 to 14 V ←→ Below 1 V
Turn indicator light (RH) off Below 1 V
I5-7 (FR) - I5-25 (FE&B) Fuel level signal Ignition switch ON, fuel receiver gauge indicates F → E (fuel level warning light on) Pulse generation
(See waveform 2)
I5-12 (MSTI) - Body ground Steering pad switch without touch detection function signal Ignition switch ON, up, down, left and right switches on steering pad switch not pushed 4.8 to 5.2 V
I5-13 (ODO) - Body ground ODO/TRIP switch signal Ignition switch ON, ODO/TRIP switch not pushed 4.8 to 5.2 V
I5-14 (CANL) CAN communication signal - -
I5-15 (TX-)*4 Local bus communication signal - -
I5-21 (TRNR) - Body ground Rear turn signal flasher signal
(RH side)
Turn indicator light (RH) blinking 11 to 14 V ←→ Below 1 V
Turn indicator light (RH) off Below 1 V
I5-22 (TRNL) - Body ground Rear turn signal flasher signal
(LH side)
Turn indicator light (LH) blinking 11 to 14 V ←→ Below 1 V
Turn indicator light (LH) off Below 1 V
I5-23 (FV) - Body ground Power source for fuel sender gauge Ignition switch ON Pulse generation
(See waveform 3)
I5-25 (FE&B) - Body ground Ground for fuel sender gauge Always Below 1 Ω
I5-26 (SW3) - Body ground Ground for trip switch Always Below 1 Ω
I5-29 (MSM+) - Body ground Steering pad switch without touch detection function signal Ignition switch ON, OK and back switches on steering pad switch not pushed 4.8 to 5.2 V
I5-31 (CANH) CAN communication signal - -
I5-32 (TX+)*4 Local bus communication signal - -
I215-1 (ET+)*5 Ethernet communication signal - -
I215-2 (ET-)*5 Ethernet communication signal - -

*1: for HV Model

*2: for Gasoline Model

*3: for 8ZR-FXE, M15C-FKS, M15B-FKS

*4: for M20C-FKS

*5: w/ Navigation System

*6: for 8ZR-FXE

*7: except M20F-FXS


E441794N01
2.781,1.229 3.271,1.448 0.49,0.219 10 false GND 1.083,1.5 1.24,1.698 0.156,0.198 10 false A

Waveform 1:
Item Condition
Tester connection
·

I4-8 (+S) - Body ground

·

I4-25 (SI) - Body ground


Tool setting 5 V/DIV., 20 ms./DIV.
Condition Ignition switch ON, wheel being rotated

HINT:

When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.


E400349N01
2.958,0.917 3.396,1.219 0.438,0.302 10 false GND 0.615,0.646 0.771,0.844 0.156,0.198 10 false A 1.823,0.646 1.979,0.844 0.156,0.198 10 false A

Waveform 2:
Item Condition
Tester connection I5-7 (FR) - I5-25 (FE&B)
Tool setting 2.5 V/DIV., 20 ms./DIV.
Condition Ignition switch ON, fuel receiver gauge indicates F → E (fuel level warning light on)

HINT:

(A) varies depending on the fuel level.

for HV Model
·

Fuel level full: 4.1 to 4.6 V

·

Fuel level low (fuel level warning light on): 0.3 to 0.9 V


for Gasoline Model (for M15B-FKS, M15C-FKS)
·

Fuel level full: 4.1 to 4.6 V

·

Fuel level low (fuel level warning light on): 0.3 to 1.0 V


for Gasoline Model (for M20A-FKS, M20C-FKS, M20E-FKS)
·

Fuel level full: 4.1 to 4.6 V

·

Fuel level low (fuel level warning light on): 0.3 to 1.0 V



E400350N01
2.958,0.896 3.417,1.094 0.458,0.198 10 false GND

Waveform 3:
Item Condition
Tester connection I5-23 (FV) - Body ground
Tool setting 2.5 V/DIV., 20 ms./DIV.
Condition Ignition switch ON
Specified Condition 4.5 to 5.5 V


A375178N01
2.76,0.927 3.333,1.125 0.573,0.198 10 false GND

Waveform 4:
Item Condition
Tester Connection I4-28 (LST1) - Body ground
Tool setting 5 V/DIV., 20 ms./DIV.
Condition The following message (interrupt display) being displayed on the multi-information display:

Ready to Refuel




A375177N01
2.771,0.938 3.323,1.146 0.552,0.208 10 false GND

Waveform 5:
Item Condition
Tester Connection I4-28 (LST1) - Body ground
Tool setting 5 V/DIV., 20 ms./DIV.
Condition The following message (interrupt display) being displayed on the multi-information display:

Close Fuel Lid



HINT:

This waveform is output when the fuel lid opener switch is operated if the fuel lid is open and any of the following conditions are met:

·

The vehicle has been driven for 1 km (0.6 mile) or more at a speed of 50 km/h (31 mph) or more.

·

30 minutes or more have elapsed since the fuel lid opener switch was operated.