Terminals Of Ecu [12/2013 - 11/2016]

COMBINATION METER ASSEMBLY

Fig 1: Combination Meter Assembly Connector End Views (12/2013 - 11/2016)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
F21-1 (B) - Body ground	G - Body ground	Battery	Always	11 to 14 V
F21-4 (CHG-) - Body ground	G - Body ground	Charge warning light signal	Engine running, charge warning light off2 or "Charge warning (Charge warning symbol)" not displayed1	11 to 14 V
F21-4 (CHG-) - Body ground	G - Body ground	Charge warning light signal	Engine running, charge warning light on2 or "Charge warning (Charge warning symbol)" displayed1	Below 1 V
F21-5 (HAZ) - Body ground	P - Body ground	Hazard warning signal switch signal	Ignition switch ON, hazard warning signal switch not pressed	11 to 14 V
F21-5 (HAZ) - Body ground	P - Body ground	Hazard warning signal switch signal	Ignition switch ON, hazard warning signal switch pressed	Below 1 V
F21-7 (LL) - Body ground	L - Body ground	LH turn indicator light signal (Output)	Ignition switch ON, LH turn indicator light off	Below 1 V
F21-7 (LL) - Body ground	L - Body ground	LH turn indicator light signal (Output)	Ignition switch ON, LH turn indicator light blinking	11 to 14 V ←→ Below 1 V
F21-8 (SW) - Body ground	B - Body ground	Turn switch signal	Ignition switch ON, LH and RH turn signal switch off	11 to 14 V
F21-8 (SW) - Body ground	B - Body ground	Turn switch signal	Ignition switch ON, LH or RH turn signal switch on	Below 1 V
F21-9 (ER) - Body ground	V - Body ground	RH turn indicator light signal (Input)	Ignition switch ON, RH turn signal switch off	11 to 14 V
F21-9 (ER) - Body ground	V - Body ground	RH turn indicator light signal (Input)	Ignition switch ON, RH turn signal switch on	Below 1 V
F21-10 (EL) - Body ground	R - Body ground	LH turn indicator light signal (Input)	Ignition switch ON, LH turn signal switch off	11 to 14 V
F21-10 (EL) - Body ground	R - Body ground	LH turn indicator light signal (Input)	Ignition switch ON, LH turn signal switch on	Below 1 V
F21-13 (LR) - Body ground	R - Body ground	RH turn indicator light signal (Output)	Ignition switch ON, RH turn indicator light off	Below 1 V
F21-13 (LR) - Body ground	R - Body ground	RH turn indicator light signal (Output)	Ignition switch ON, RH turn indicator light blinking	11 to 14 V ←→ Below 1 V
F22-1 (B) - Body ground	P - Body ground	Battery	Always	11 to 14 V
F22-3 (+S) - Body ground	BE - Body ground	Speed signal for other system (Output)	Ignition switch ON, wheel being rotated	Pulse generation (See waveform 1)
F22-4 (SI) - Body ground	LG - Body ground	Speed signal for other system (Input)	Ignition switch ON, wheel being rotated	Pulse generation (See waveform 1)
F22-8 (S) - Body ground	B - Body ground	Oil pressure signal	Engine started	11 to 14 V
F22-8 (S) - Body ground	B - Body ground	Oil pressure signal	Engine not started	Below 1 V
F22-9 (B/LE) - Body ground	L - Body ground	Brake fluid level signal	Ignition switch ON, brake fluid level not low	11 to 14 V
F22-9 (B/LE) - Body ground	L - Body ground	Brake fluid level signal	Ignition switch ON, brake fluid level low	Below 1 V
F22-11 (E2) - Body ground	BR - Body ground	Ground	Always	Below 1 Ω
F22-12 (ILL-) - Body ground	W - Body ground	Illumination signal	Headlight dimmer switch off	Below 1 V
F22-12 (ILL-) - Body ground	W - Body ground	Illumination signal	Headlight dimmer switch in tail or head position	Pulse generation
F22-13 (IG+) - Body ground	G - Body ground	Ignition switch signal	Ignition switch off	Below 1 V
F22-13 (IG+) - Body ground	G - Body ground	Ignition switch signal	Ignition switch ON	11 to 14 V
F22-14 (FR) - F22-15 (FE)	W - BR	Fuel level signal	Ignition switch ON, fuel level full	Below 1 V
F22-14 (FR) - F22-15 (FE)	W - BR	Fuel level signal	Ignition switch ON, fuel level low (fuel level warning light on)	4.5 to 9 V
F22-16 (CANL) - Body ground	W - Body ground	CAN communication line	-	-
F22-17 (CANH) - Body ground	SB - Body ground	CAN communication line	-	-
F22-18 (MSCH) - Body ground*1	GR - Body ground	Local bus communication line	-	-
F22-19 (MSCL) - Body ground*1	SB - Body ground	Local bus communication line	-	-
F22-20 (ES) - Body ground	BR - Body ground	Ground	Always	Below 1 Ω
F22-21 (MSSL) - Body ground	R - Body ground	Ground	Always	Below 1 Ω
F22-22 (MSTI) - Body ground*1	L - Body ground	Steering pad switch assembly signal	Ignition switch ON, up, down, right and left switches on steering pad switch assembly not pushed	4.8 to 5.2 V
F22-23 (MSM+) - Body ground*1	V - Body ground	Steering pad switch assembly signal	Ignition switch ON, enter, top and back switches on steering pad switch assembly not pushed	4.8 to 5.2 V
F22-23 (MSM+) - Body ground*2	V - Body ground	Steering pad switch assembly (DISP switch) signal	Ignition switch ON, DISP switch not pressed	4.8 to 5.2 V
F22-23 (MSM+) - Body ground*2	V - Body ground	Steering pad switch assembly (DISP switch) signal	Ignition switch ON, DISP switch pressed	Below 1 V
F22-24 (WLVL) - Body ground	SB - Body ground	Washer fluid level signal	Ignition switch ON, washer fluid level not low	11 to 14 V
F22-24 (WLVL) - Body ground	SB - Body ground	Washer fluid level signal	Ignition switch ON, washer fluid level low	Below 1 V
1: for Multi-information Display (Color Type) 2: for Multi-information Display (Monochrome Type)

Waveform 1 (Reference):

Fig 2: Waveform 1

Item	Condition
Tool setting	5 V/DIV., 20 ms./DIV.
Vehicle 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.