TERMINALS OF ECU
1. COMBINATION METER ASSEMBLY
(a) Measure the voltage, resistance and check for pulses according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
C9-1 (CANH) - Body ground |
G - Body ground |
CAN communication line |
- |
- |
C9-2 (CANL) - Body ground |
W - Body ground |
CAN communication line |
- |
- |
C9-4 (MSCH) - Body ground |
B - Body ground |
Local bus communication line |
- |
- |
C9- 5 (MSCL) - Body ground |
W - Body ground |
Local bus communication line |
- |
- |
C9-7 (EL) - Body ground |
V - Body ground |
LH turn indicator light signal (Input) |
Ignition switch ON, LH turn signal switch off |
11 to 14 V |
Ignition switch ON, LH turn signal switch on |
Below 1 V |
|||
C9-8 (ER) - Body ground |
GR - Body ground |
RH turn indicator light signal (Input) |
Ignition switch ON, RH turn signal switch off |
11 to 14 V |
Ignition switch ON, RH turn signal switch on |
Below 1 V |
|||
C9-9 (SW) - Body ground |
R - Body ground |
Turn switch signal |
Ignition switch ON, LH and RH turn signal switch off |
11 to 14 V |
Ignition switch ON, LH or RH turn signal switch on |
Below 1 V |
|||
C9-11 (BKSW) - Body ground |
L - Body ground |
Stop light switch signal |
Stop light switch on |
11 to 14 V |
Stop light switch off |
Below 1 V |
|||
C9-13 (HAZ) - Body ground |
Y - Body ground |
Hazard warning signal switch signal |
Ignition switch ON, hazard warning signal switch not pressed |
11 to 14 V |
Ignition switch ON, hazard warning signal switch pressed |
Below 1 V |
|||
C9-15 (ILL-) - Body ground |
BE - Body ground |
Illumination signal |
Headlight dimmer switch off |
Below 1 V |
Headlight dimmer switch in tail or head position |
Pulse generation |
|||
C9-17 (EP) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
C9-18 (ES) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
C9-19 (B) - Body ground |
P - Body ground |
Battery |
Always |
11 to 14 V |
C9-20 (IG+) - Body ground |
BE - Body ground |
Ignition switch signal |
Ignition switch off |
Below 1 V |
Ignition switch ON |
11 to 14 V |
|||
C9-21 (L) - C9-23 (E3) |
BE - G |
Fuel level signal |
Ignition switch ON, fuel level full |
Below 1 V |
Ignition switch ON, fuel level low (fuel level warning light on) |
4.5 to 9 V |
|||
C9-25 (S) - Body ground |
LG - Body ground |
Oil pressure signal |
Ignition switch ON, oil pressure warning OFF |
11 to 14 V |
Ignition switch ON, oil pressure warning ON |
Below 1 V |
|||
C9-26 (WLVL) - Body ground*1 |
B - Body ground |
Washer fluid level signal |
Ignition switch ON, washer fluid level not low |
11 to 14 V |
Ignition switch ON, washer fluid level low |
Below 1 V |
|||
C9-28 (SW) - Body ground*2 |
LG - Body ground |
Brake fluid level signal |
Ignition switch ON, brake fluid level not low |
11 to 14 V |
Ignition switch ON, brake fluid level low |
Below 1 V |
|||
C9-30 (MSM+) - Body ground |
P - 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 |
Ignition switch ON, enter, top or back switches on steering pad switch assembly pushed |
Below 1 V |
|||
C9-32 (MSSL) - Body ground |
SB - 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 |
Ignition switch ON, enter, top or back switches on steering pad switch assembly pushed |
Below 1 V |
|||
C9-34 (MSTI) - Body ground |
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 |
Ignition switch ON, up, down, right, or left switches on steering pad switch assembly pushed |
Below 1 V |
|||
C9-36 (OIL) - Body ground*3 |
W - Body ground |
Oil level switch signal |
Ignition switch ON, oil level low |
11 to 14 V |
Ignition switch ON, oil level not low |
Below 1 V |
|||
C9-37 (VCM) - Body ground*2*3 |
LG - Body ground |
Vacuum switch signal |
Ignition switch ON, vacuum pressure not low |
11 to 14 V |
Ignition switch ON, vacuum pressure low |
Below 1 V |
|||
C9-39 (SI) - Body ground |
G - Body ground |
Speed signal for other system (Input) |
Ignition switch ON, wheel being rotated |
Pulse generation (See waveform 1) |
C9-40 (+S) - Body ground |
V - Body ground |
Speed signal for other system (Output) |
Ignition switch ON, wheel being rotated |
Pulse generation (See waveform 1) |
C10-1 (B) - Body ground |
V - Body ground |
Battery |
Always |
11 to 14 V |
C10-3 (RRT) - Body ground |
L - Body ground |
RH turn indicator light signal (Input) |
Ignition switch ON, RH turn signal switch off |
Below 1 V |
Ignition switch ON, RH turn signal switch on |
11 to 14 V ←→ Below 1 V |
|||
C10-5 (RLT) - Body ground |
Y - Body ground |
LH turn indicator light signal (Output) |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
C10-9 (LL) - Body ground |
BE - Body ground |
LH turn indicator light signal (Output) |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
C10-11 (TLT) - Body ground*4 |
V - Body ground |
LH turn indicator light signal (Output) |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
C10-12 (TRT) - Body ground*4 |
SB - Body ground |
RH turn indicator light signal (Output) |
Ignition switch ON, RH turn signal switch off |
Below 1 V |
Ignition switch ON, RH turn signal switch on |
11 to 14 V ←→ Below 1 V |
|||
C10-13 (B) - Body ground |
W - Body ground |
Battery |
Always |
11 to 14 V |
C10-10 (LR) - Body ground |
SB - Body ground |
RH turn indicator light signal (Output) |
Ignition switch ON, RH turn indicator light off |
Below 1 V |
Ignition switch ON, RH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
(1) Waveform 1 (Reference):
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.
Freeze Frame Data
FREEZE FRAME DATA
CHECK FREEZE FRAME DATA
HINT:
The ECU records vehicle and driving condition information as freeze frame data
the moment a DTC is stored.
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: P ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. REMOVE FRONT DOOR GLASS RUN
2. REMOVE FRONT DOOR GLASS OUTER WEATHERSTRIP ASSEMBLY
(See page
)
3. REMOVE NO. 1 BLAC ...
Removal
REMOVAL
PROCEDURE
1. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
(See page )
2. REMOVE NO. 1 RADIATOR HOSE
3. REMOVE NO. 2 RADIATOR HOSE
4. DISCONNECT RADIATOR RESERVE TANK HOSE
5. SEPARATE TRANSMISSION OIL COOLER HOSE (for Automatic Transmission)
(a) Disengage the c ...