Check Bus 3 Line for Short to GND [11/2021 - 10/2022]: Description
There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal CA3H of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal CA3L of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.
| Symptom |
Trouble Area |
- There is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.*1
- There is no resistance between terminal 30 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 29 (CA3L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.*2
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- Short to GND in CAN main bus wire
- Short to GND in CAN branch wire
- Central gateway ECU (network gateway ECU)
- Radio receiver assembly
- DCM (telematics transceiver)*3
- Luggage closer motor assembly
- Rear multiplex network door ECU LH
- Stereo component equalizer assembly
- Rear multiplex network door ECU RH
- No. 7 CAN junction terminal
- No. 1 CAN junction connector
- No. 21 CAN junction connector
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*1: w/o Advanced Park
*2: w/ Advanced Park
*3: w/ Manual (SOS) Switch