Check Bus 5 Line for Short to +B [10/2018 - 07/2022]: Description
There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3.
| Symptom |
Trouble Area |
| There is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3. |
- Short to +B in CAN main bus line
- Short to +B 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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