Toyota Camry (XV70): Terminals Of Ecu
TERMINALS OF ECU
CHECK 4WD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector.
|
Terminal No. (Symbol) | Wiring Color |
Terminal Description | Condition |
Specified Condition |
|---|---|---|---|---|
|
K145-6 (CANH) - K145-5 (CANL) |
P - W | HIGH-level CAN bus wire - LOW-level CAN bus wire |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
|
K145-4 (GND) - Body ground |
W-B - Body ground | Ground |
Always | Below 1 Ω |
|
K145-3 (IG1) - K145-4 (GND) |
SB - W-B | Power source voltage |
Ignition switch ON | 11 to 14 V |
|
K145-2 (SLC+) - K145-1 (SLC-) |
W - B | 4WD linear solenoid signal |
D position, engine idling |
Pulse generation (See waveform 1) |
If the result is not as specified, the 4WD ECU assembly may have a malfunction.
(b) Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference)|
Item | Content |
|---|---|
|
Terminal No. (Symbol) |
K145-2 (SLC+) - K145-1 (SLC-) |
|
Tester Range | 2 V/DIV., 1 msec./DIV. |
|
Condition | D position, engine idling |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Check the DTCs.
(1) Connect the Techstream to the DLC3. (2) Turn the ignition switch to ON.
(3) Turn the Techstream on. (4) Read the DTCs following the prompts on t
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) When a DTC is stored, the 4WD ECU assembly stores the current vehicle state as Freeze Frame Data.
HINT: Freeze Frame Data at the time a DTC is stored:
Wh
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE CHART Dynamic Torque Control AWD System
DTC No. Trouble Area
AWD Warning Message Fail-safe Operation
Memory Fail-safe Deactivation Condition
C12
SEE MORE:
General Information
GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot. However, most problem checking procedures only involve inspecting the ECU
Tire inflation pressure
Tire inflation pressure
The recommended cold tire inflation pressure and tire size are displayed
on the tire and loading information label.
Inspection and adjustment procedure
Tire valve
Tire pressure gauge
1. Remove the tire valve cap.
2. Press the tip of the tire pressure gauge on
