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 |
READ NEXT:
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:
Removal
REMOVAL CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP
Click here
2. REMOVE FRONT PILLAR GARNISH Click here
3. REMOVE NO
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE FRONT DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING (OUTER RACE)
(a) Using SST, remove the front differential case rear tapered roller bearing (outer race) from the automatic transaxle case sub-assembly.
SST: 09308-36010 NOTICE:
Be careful not to damage the aut
