RM38N0EC _58 Vehicle Interior _111835 METER / GAUGE / DISPLAY _0504957 METER / GAUGE SYSTEM(for Optitron Meter Type) U

METER / GAUGE / DISPLAY  METER / GAUGE SYSTEM(for Optitron Meter Type)  TERMINALS OF ECU  


COMBINATION METER ASSEMBLY


E441826
1.49,0.208 1.938,0.427 0.448,0.219 5.042,0.208 5.49,0.427 0.448,0.219 1.594,0.229 1.906,0.427 0.313,0.198 10 false E16 5.135,0.229 5.448,0.427 0.313,0.198 10 false E17

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
E16-1 (ODO) - Body ground ODO/TRIP switch signal Ignition switch ON, ODO/TRIP switch not pushed 4.8 to 5.2 V
E16-3 (HAZ) - Body ground Hazard warning signal switch signal Hazard warning signal switch off → on 11 to 14 V → Below 1 V
E16-5 (SW3) - Body ground Ground for trip switch Always Below 1 Ω
E16-7 (LR) - Body ground Front/side turn flasher signal
(RH side)
Turn indicator light (RH) blinking → off (11 to 14 V ←→ Below 1 V) → Below 1 V
E16-8 (B) - Body ground Power source for auxiliary battery
·

Ignition switch off*1

·

Always*2


11 to 14 V
E16-10 (TRNL) - Body ground Rear turn flasher signal
(LH side)
Turn indicator light (LH) blinking → off (11 to 14 V ←→ Below 1 V) → Below 1 V
E16-11 (LL) - Body ground Front/side turn flasher signal
(LH side)
Turn indicator light (LH) blinking → off (11 to 14 V ←→ Below 1 V) → Below 1 V
E16-13 (TRNR) - Body ground Rear turn flasher signal
(RH side)
Turn indicator light (RH) blinking → off (11 to 14 V ←→ Below 1 V) → Below 1 V
E17-2 (EP) - Body ground Ground Always Below 1 Ω
E17-5 (SI) - Body ground Vehicle speed signal (Input) Ignition switch ON, wheel being rotated Pulse generation
(See waveform 1)
E17-6 (+S) - Body ground Vehicle speed signal (Output) Ignition switch ON, wheel being rotated Pulse generation
(See waveform 1)
E17-12 (SW) - Body ground*2 Brake fluid level 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
E17-14 (FR) - E17-33 (FE&B) Fuel level signal Ignition switch ON, fuel receiver gauge indicates F → E (fuel level warning light on) Pulse generation
(See waveform 2)
E17-15 (FV) - Body ground Power source for fuel sender gauge Ignition switch ON Pulse generation
(See waveform 3)
E17-21 (ES) - Body ground Ground Always Below 1 Ω
E17-27 (OILW) - Body ground*1 Engine oil level signal Ignition switch ON, engine oil level not low → low Below 1 V → 11 to 14 V
E17-28 (FR2) - E17-33 (FE&B)*2 Fuel level signal Ignition switch ON, fuel receiver gauge indicates F → E (fuel level warning light on) Pulse generation
(See waveform 2)
E17-29 (MSM+) - Body ground Steering pad switch signal Ignition switch ON, OK and back switches on steering pad switch not pushed 4.8 to 5.2 V
E17-30 (MSTI) - Body ground Steering pad switch signal Ignition switch ON, up, down, left and right switches on steering pad switch not pushed 4.8 to 5.2 V
E17-31 (CANL) - Body ground CAN communication signal Ignition switch ON Pulse generation
E17-32 (CANH) - Body ground CAN communication signal Ignition switch ON Pulse generation
E17-33 (FE&B) - Body ground Ground for fuel sender gauge Always Below 1 Ω
E17-34 (LST1) - Body ground*1 Fuel lid operation signal Ignition switch OFF 11 to 14 V
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)
The following message (interrupt display) being displayed on the multi-information display:

"Please Wait Fuel Door Opening"


Pulse generation
(See waveform 6)
E17-36 (MSCH) - Body ground*3 Local bus communication signal Ignition switch ACC Pulse generation
E17-37 (MSCL) - Body ground*3 Local bus communication signal Ignition switch ACC Pulse generation
E17-39 (IG+) - Body ground Power source for ignition relay Ignition switch off → Ignition switch ON
·

Below 1 V → 11 to 14 V*1

·

Below 1 V → 10.5 to 16 V*2


E17-40 (B) - Body ground Power source for auxiliary battery
·

Ignition switch off*1

·

Always*2


11 to 14 V

*1: for HV Model

*2: for Gasoline Model

*3: w/ Navigation System


E441794
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
·

E17-5 (SI) - Body ground

·

E17-6 (+S) - 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

*: for Gasoline Model

Tester connection
·

E17-14 (FR) - E17-33 (FE&B)

·

E17-28 (FR2) - E17-33 (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:

The magnitude of the voltage (A) changes as shown in the following tables.

for HV Model:
Terminal No. (Symbol) Condition Specified Condition
E17-14 (FR) - E17-33 (FE&B) Ignition switch ON, fuel receiver gauge indicates F 4.2 to 4.6 V
Ignition switch ON, fuel receiver gauge indicates E
(fuel level warning light on)
0.3 to 1.1 V

for Gasoline Model:
Terminal No. (Symbol) Condition Specified Condition
E17-28 (FR2) - E17-33 (FE&B) Ignition switch ON, fuel receiver gauge indicates F 3.6 to 4.6 V
Ignition switch ON, fuel receiver gauge indicates below 1/2 0.3 to 0.5 V
E17-14 (FR) - E17-33 (FE&B) Ignition switch ON, fuel receiver gauge indicates 1/2 or more 4.4 to 4.6 V
Ignition switch ON, fuel receiver gauge indicates E
(fuel level warning light on)
0.3 to 1.3 V


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

Waveform 3:
Item Condition
Tester connection E17-15 (FV) - Body ground
Tool setting 2.5 V/DIV., 20 ms./DIV.
Condition Ignition switch ON
Specified Condition 4.5 to 5.5 V

A375178E03
2.76,0.927 3.333,1.125 0.573,0.198 10 false GND

Waveform 4:
Item Condition
Tester Connection E17-34 (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"



A375177E03
2.771,0.938 3.323,1.146 0.552,0.208 10 false GND

Waveform 5:
Item Condition
Tester Connection E17-34 (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.



A375176E06
2.771,0.948 3.354,1.135 0.583,0.188 10 false GND

Waveform 6:
Item Condition
Tester Connection E17-34 (LST1) - Body ground
Tool setting 5 V/DIV., 20 ms./DIV.
Condition The following message (interrupt display) being displayed on the multi-information display:

"Please Wait Fuel Door Opening"



HINT:

This waveform is output when the internal pressure of the fuel tank is higher than the ambient pressure when the fuel lid opener switch is operated.