TERMINALS OF ECU
NOTICE:
CHECK FORWARD RECOGNITION CAMERA
(a) Disconnect the forward recognition camera connector.
*a |
Front view of wire harness connector (to Forward Recognition Camera) |
- |
- |
(b) 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 |
(c) Reconnect the forward recognition camera connector.
*a |
Component with harness connected (Forward Recognition Camera) |
- |
- |
(d) Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F46-1 (HTR) - F46-10 (GND) |
R - W-B |
Camera heater (forward recognition hood) operation signal |
Ignition switch ON, camera heater (forward recognition hood) not operating |
11 to 14 V |
Ignition switch ON, camera heater (forward recognition hood) operating |
0 to 1.5 V |
|||
F46-8 (BZ) - F46-10 (GND) |
L - W-B |
Skid control buzzer |
Ignition switch ON, skid control buzzer not operating |
11 to 14 V |
Ignition switch ON, skid control buzzer operating |
0 to 1.5 V |
(e) 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, a 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.
Tire Pressure Monitor Receiver Communication Stop (B1247)
DESCRIPTION
The main body ECU (multiplex network body ECU) and tire pressure warning ECU
and receiver are connected using 2 direct lines that they use to communicate with
each other.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Removal
REMOVAL
PROCEDURE
1. REMOVE TRANSMISSION INSULATOR RH (for 2GR-FKS)
2. REMOVE TRANSMISSION INSULATOR RH (for 2TR-FE)
3. SEPARATE WATER BY-PASS PIPE (for 2GR-FKS)
(a) Remove the 2 bolts to separate the water by-pass pipe from the automatic
transmission assembly.
...
Washer Motor
Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
HINT:
This check should be performed with the windshield washer motor and pump assembly
installed to the windshield washer jar assembly.
...