TERMINALS OF ECU
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
(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 |
---|---|---|---|---|
M8-8 (IGB) - M8-1 (SGND) |
LG - W-B |
Power source |
Ignition switch ON |
11 to 14 V |
M8-1 (SGND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(b) Check for pulses according to the value(s) in the table below.
HINT:
If the waveform is not similar to that shown in the illustration, malfunction of a CAN bus line, terminating resistor or the millimeter wave radar sensor assembly is suspected.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
M8-3 (CA2H) - M8-1 (SGND) |
W-B - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 1) |
M8-2 (CA2L) - M8-1 (SGND) |
W - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 2) |
M8-5 (CA1P) - M8-1 (SGND) |
B - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 1) |
M8-6 (CA1N) - M8-1 (SGND) |
W - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 2) |
(1) Waveform 1
Item |
Content |
---|---|
Terminal Name |
Between M8-3 (CA2H) and M8-1 (SGND) Between M8-5 (CA1P) and M8-1 (SGND) |
Tester Range |
1 V/DIV., 10 μsec./DIV. |
Condition |
Ignition switch ON |
HINT:
The waveform varies depending on the CAN communication signal.
(2) Waveform 2
Item |
Content |
---|---|
Terminal Name |
Between M8-2 (CA2L) and M8-1 (SGND) Between M8-6 (CA1N) and M8-1 (SGND) |
Tester Range |
1 V/DIV., 10 μsec./DIV. |
Condition |
Ignition switch ON |
HINT:
The waveform varies depending on the CAN communication signal.
NOTICE:
CHECK FORWARD RECOGNITION CAMERA
(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 |
---|---|---|---|---|
F46-7 (IGB) - F46-10 (GND) |
BE - W-B |
Power source |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F46-10 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(b) Check for pulses according to the value(s) in the table below.
HINT:
If the waveform is not similar to that shown in the illustration, malfunction of a CAN bus line, terminating resistor or the forward recognition camera is suspected.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F46-5 (CA1P) - F46-10 (GND) |
L - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 1) |
F46-11 (CA1N) - F46-10 (GND) |
W - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 2) |
F46-6 (CANH) - F46-10 (GND) |
B - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 1) |
F46-12 (CANL) - F46-10 (GND) |
W - W-B |
CAN communication signal |
Ignition switch ON |
Pulse generation (See waveform 2) |
(1) Waveform 1
Item |
Content |
---|---|
Terminal Name |
Between F46-5 (CA1P) and F46-10 (GND) Between F46-6 (CANH) and F46-10 (GND) |
Tester Range |
1 V/DIV., 10 μsec./DIV. |
Condition |
Ignition switch ON |
HINT:
The waveform varies depending on the CAN communication signal.
(2) Waveform 2
Item |
Content |
---|---|
Terminal Name |
Between F46-11 (CA1N) and F46-10 (GND) Between F46-12 (CANL) and F46-10 (GND) |
Tester Range |
1 V/DIV., 10 μsec./DIV. |
Condition |
Ignition switch ON |
HINT:
The waveform varies depending on the CAN communication signal.
Open in One Side of Bus 2 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
System Description
SYSTEM DESCRIPTION
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(a) The power window control system controls the power window operation using
the power window regulator motors. The main controls of this system are the power
window regulator master switch assembly (mounted on the driver door), po ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT TIE ROD END SUB-ASSEMBLY
(a) Flip the ball joint stud back and forth 5 times as shown in the illustration
before installing the nut.
(b) Using a torque wrench, turn the nut continuously at a rate of 2 to 4 seconds
per turn and check the torque reading on the ...