Toyota CH-R Service Manual: Open in Bus 3 Main Bus Line

NOTICE:

• Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.

  Click here

• Before measuring the resistance of the CAN bus, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.
• After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

  Click here

• After performing repairs, perform the DTC check procedure and confirm that the DTCs are not output again.

  DTC check procedure: Turn the ignition switch ON and wait at least approximately 60 seconds.

• After the repair, perform the CAN bus check and check that all the ECUs and sensors connected to the CAN communication system are displayed as normal.

  Click here

HINT:

• Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.
• When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.

Check Bus 2 Line for Short to GND

DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and termi ...

Check Bus 3 Lines for Short Circuit

DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network ga ...

Other materials:

KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual > Engine coolant (Kia NIRO Hybrid): Checking coolant level
Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses. The coolant level should be filled between MAX and MIN (F and L) marks on the side of the coolant reservoir when the engine is cool. INFORMATION If frequent add ...

Toyota CH-R Service Manual > Quarter Garnish: Components
COMPONENTS ILLUSTRATION *1 NO. 2 REAR PILLAR GARNISH PROTECTOR *2 QUARTER GARNISH MOULDING *3 QUARTER PILLAR COVER SUB-ASSEMBLY - - ● Non-reusable part - ...