TERMINALS OF ECU
1. CHECK 4WD CONTROL ECU
(a) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F47-6 (RLY1) - F46-4 (GND) |
G - W-B |
Rear differential lock actuator limit switch |
Ignition switch ON Rear differential lock actuator limit switch on |
Below 1.5 V |
Ignition switch ON Rear differential lock actuator limit switch off |
11 to 14 V |
|||
F47-7 (RLY2) - F46-4 (GND) |
P - W-B |
Rear differential lock actuator limit switch |
Ignition switch ON Rear differential lock actuator limit switch on |
Below 1.5 V |
Ignition switch ON Rear differential lock actuator limit switch off |
11 to 14 V |
|||
F47-11 (R) - F46-4 (GND) |
SB - W-B |
Rear differential lock switch |
Ignition switch ON Rear differential lock switch on |
Below 1.5 V |
Ignition switch ON Rear differential lock switch off |
11 to 14 V |
|||
F47-14 (RLP) - F46-4 (GND) |
V - W-B |
Rear differential lock detection switch |
Ignition switch ON Rear differential lock detection switch on |
Below 1.5 V |
Ignition switch ON Rear differential lock detection switch off |
9.5 to 14 V |
|||
F46-8 (M1) - F46-4 (GND) |
LG - W-B |
Differential lock actuator motor |
Ignition switch ON Differential lock switch off → on (Differential lock switch OFF → ON (For 5 seconds after power supplied or until switching of limit switch is complete during FREE to LOCK switching)) |
11 to 14 V |
Ignition switch ON Differential lock switch off → on (Differential lock actuator motor stopped) |
Below 1.5 V |
|||
F46-3 (IG) - F46-4 (GND) |
R - W-B |
IG power |
Ignition switch ON |
11 to 14 V |
F46-4 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F46-7 (M2) - F46-4 (GND) |
L - W-B |
Differential lock actuator motor |
Ignition switch ON Differential lock switch on → off (Differential lock switch ON → OFF (For 5 seconds after power supplied or until switching of limit switch is complete during LOCK to FREE switching)) |
11 to 14 V |
Ignition switch ON Differential lock switch on → off (Differential lock actuator motor stopped) |
Below 1.5 V |
|||
F47-19 (CANH) - F46-4 (GND) |
G - W-B |
CAN communication line |
Ignition switch ON |
Pulse generation (see waveform 1) |
F47-20 (CANL) - F46-4 (GND) |
W - W-B |
CAN communication line |
Ignition switch ON |
Pulse generation (see waveform 2) |
(b) Using an oscilloscope, check waveform 1.
Item |
Content |
---|---|
Terminal No. (Symbols) |
F47-19 (CANH) - F46-4 (GND) |
Tool setting |
1 V/DIV., 10 μsec./DIV. |
Condition |
Engine stopped and ignition switch ON |
*1 |
Waveform 1 |
HINT:
The waveform varies depending on the CAN communication signal.
(c) Using an oscilloscope, check waveform 1.
Item |
Content |
---|---|
Terminal No. (Symbols) |
F47-20 (CANL) - F46-4 (GND) |
Tool setting |
1 V/DIV., 10 μsec./DIV. |
Condition |
Engine stopped and ignition switch ON |
*1 |
Waveform 2 |
HINT:
The waveform varies depending on the CAN communication signal.
Sound of Portable Player cannot be Heard from Speakers or Sound is Low
PROCEDURE
1.
CHECK PORTABLE PLAYER SETTINGS
(a) Check the portable player settings.
(1) Check that the volume is not set to "0".
(2) Check that the mute is off.
(b) Check that the sound of the portable player can ...
Registered Device cannot be Deleted
PROCEDURE
1.
DELETE OPERATION
(a) Check if a registered portable player can be deleted normally.
OK:
Registered portable player can be deleted normally.
OK
USE SIMULATION METHOD TO CHECK
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