Component Inspection
WARNING: This page is about a different variant/trim than selected.
- IG "OFF" and disconnect CAN communication modules.
- Connect 2 channel scope to DLC CAN HIGH terminal and CAN LOW terminal.
- IG KEY "ON" after connecting only ECM to CAN BUS.
(IG KEY "ON" after connecting only "The Control Module(s) to be checked" to CAN BUS.)
Specification: At Ignition "ON", the waveform is same as the one of "Signal Waveform & Data".
- Is the measured resistance within specification?
YES
- Replace the module which generates poor communication waveform, and go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.