Check Bus 5 Line for Short to GND [10/2018 - 07/2022]: Description
There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.
| Symptom |
Trouble Area |
| There is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3. |
- Short to ground in CAN main bus line
- Short to ground in CAN branch line
- Central gateway ECU (network gateway ECU)
- Outer mirror control ECU assembly RH
(w/ Seat Position Memory System)
- No. 1 headlight ECU sub-assembly RH
(w/ Automatic Headlight Beam Level Control System)
- Position control ECU assembly LH
(w/ Seat Position Memory System)
- Outer mirror control ECU assembly LH
(w/ Seat Position Memory System)
- Multiplex Network Door ECU
(w/ Power Back Door)
- Multiplex tilt and telescopic ECU
(for Power Tilt and Power Telescopic Steering Column)
- Meter mirror sub-assembly
(w/ Headup Display)
- Main body ECU (multiplex network body ECU)
- Certification ECU (smart key ECU assembly)
- Air conditioning amplifier assembly
- No. 1 headlight ECU sub-assembly LH
(w/ Automatic Headlight Beam Level Control System)
- Combination meter assembly
- No. 1 CAN junction connector
- No. 6 CAN junction connector
- No. 9 CAN Junction Connector
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