DESCRIPTION
A short to B+ is suspected in the CAN bus wire when the resistance between terminals 6 (CANH) and 16 (BAT), or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ.
Symptom |
Trouble Area |
The resistance between terminals 6 (CANH) and 16 (BAT), or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ. |
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WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
HINT: Operating the ignition switch, any switches, or any doors triggers related ECU and sensor communication with the CAN. This communication will cause the resistance value to change.
1 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (ECM MAIN BUS WIRE)
Standard resistance
REPLACE ECM
2 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NETWORK GATEWAY MAIN BUS WIRE)
Standard resistance
REPLACE NETWORK GATEWAY ECU
3 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (DLC3 BRANCH WIRE)
Standard resistance
4 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (JUNCTION CONNECTOR - NETWORK GATEWAY MAIN BUS WIRE)
Standard resistance
Result
5 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (JUNCTION CONNECTOR - ECM MAIN BUS WIRE)
Standard resistance
REPLACE WIRING HARNESS CONNECTOR (JUNCTION CONNECTOR)
6 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (JUNCTION CONNECTOR - CAN JUNCTION CONNECTOR MAIN BUS WIRE)
Standard resistance
7 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (SKID CONTROL ECU BRANCH WIRE)
Standard resistance
8 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (STEERING ANGLE SENSOR BRANCH WIRE)
Standard resistance
Result
REPLACE WIRING HARNESS CONNECTOR (JUNCTION CONNECTOR)
9 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (DISTANCE CONTROL ECU BRANCH WIRE)
Standard resistance
REPLACE WIRING HARNESS CONNECTOR (JUNCTION CONNECTOR)
10 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN JUNCTION CONNECTOR - JUNCTION CONNECTOR MAIN BUS WIRE)
Standard resistance
11 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN JUNCTION CONNECTOR - ECM MAIN BUS WIRE)
Standard resistance
12 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (YAW RATE SENSOR BRANCH WIRE)
Standard resistance
REPLACE WIRING HARNESS CONNECTOR (CAN JUNCTION CONNECTOR)
13 CHECK FOR SHORT TO B+ IN CAN BUS WIRE (SKID CONTROL ECU BRANCH WIRE)
Standard resistance
REPLACE ABS & TRACTION ACTUATOR ASSEMBLY
14 CHECK CHECK FOR TO B+ IN BUS WIRE (STEERING ANGLE SENSOR BRANCH WIRE)
Standard resistance
REPLACE STEERING ANGLE SENSOR
15 CHECK CHECK FOR TO B+ IN BUS WIRE (DISTANCE CONTROL ECU BRANCH WIRE)
Standard resistance
16 CHECK CHECK FOR TO B+ IN BUS WIRE (YAW RATE SENSOR BRANCH WIRE)
Standard resistance
REPLACE YAW RATE SENSOR
Terminals of ECU
1. COMBINATION METER ASSEMBLY
*1: with Power Rear No. 2 Seat with Stowing Function
*2: with Theft Deterrent System
Waveform 1 (Reference) : Using an oscilloscope:
OK:
HINT:
As vehicle speed increases, the cycle of the signal
waveform narrows.
Wavefor ...
Door control transmitter
INSPECTION
1. INSPECT DOOR CONTROL TRANSMITTER
Inspect operation of the transmitter.
Remove the battery (lithium battery) from the transmitter.
Install a new or normal battery (lithium battery).
When a new or normal battery is not available,
connect 2 new ...
Radio and Navigation Assembly Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the radio and navigation
assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
Disconnect the radio and navigation assembly connector
R15.
Measure the resistance according to the value ...