SYSTEM DIAGRAM
Communication Method
|
Transmitting ECU |
Receiver |
Signal |
Communication Method |
|---|---|---|---|
|
Main body ECU (Driver Side Junction Block Assembly) |
Power back door ECU (Power back door motor unit)*1 Back door closer ECU (Multiplex network door ECU)*2 |
Back door opener switch signal |
CAN |
Parts Location
System DescriptionElectronic Circuit Inspection Procedure
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
1. BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements are standard values
measured at an ambient temperature of 20°C (68°F). Resistance meas ...
Open in CAN Main Bus Line
DESCRIPTION
There may be an open circuit in the CAN bus main wire and/or the DLC3 branch
wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is
70 Ω or higher.
Symptom
Trouble Area
Resista ...
Basic Inspection
BASIC INSPECTION
When the malfunction is not confirmed by the DTC check, troubleshooting should
be carried out in all circuits considered to be possible causes of the problem.
In many cases, by carrying out the basic engine check shown in the following pr ...