TERMINALS OF ECU
1. CHECK AWD CONTROL ECU
(a) Measure the voltage and resistance of the connector.
Terminal No. (Symbol) |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|
14 (CANH) - 16 (CANL) |
CAN communication |
Ignition switch off |
54 to 69 Ω |
23 (GND) - Body ground |
Ground |
Always |
Below 1 Ω |
11 (IG1) - 23 (GND) |
Power source voltage |
Ignition switch ON |
10 to 14 V |
13 (SLC+) - 32 (SLC-) |
Electromagnetic solenoid signal |
D position, Idling |
Pulse generation (See waveform 1) |
9 (BSLC) - 23 (GND) |
Power source voltage |
Always |
10 to 14 V |
If the result is not as specified, the AWD control ECU may have a malfunction.
(b) Using an oscilloscope, check the waveform 1.
Terminal Name |
Content |
---|---|
Tester Range |
2 V/DIV., 1 msec./DIV. |
Condition |
D position, Idling |
Sending Malfunction (Navigation to APGS) (U0073,U0100,U0140,U0155)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No.
DTC Detection Condition
Trouble Area
U0073
CAN bus connection error
CAN communicatio ...
Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO - IMI) to the certification ECU (smart key ECU
assembly) is stuck high output (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
...
Removal
REMOVAL
PROCEDURE
1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for 2WD)
When Not Using the Engine Support Bridge: (See page
)
When Using the Engine Support Bridge: (See page
)
2. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for AWD)
When Not Using the Engine Supp ...