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 |
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector
3 (DLC3) of the vehicle. When the rear view monitor system seems to be malfunctioning,
use the Techstream to check for malfunctions and to perfor ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Short in Front Passenger Side Squib 2nd Step Circuit (B1815/54-B1818/54)
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and front passenger airbag assembly.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
T ...