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Home >> Kia >> 2025 >> Seltos X-Line >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Head Up Display Diagnosis >> DTC B2800-00: MM CAN Bus Off Error >> Wiring Inspection >> Circuit Inspection >> Module Inspection

Module Inspection

Inspection Item Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
Power inspection (ICU ↔ Chassis ground)
  1. Disconnect the ICU connector.
  2. Ignition "ON".
ICU connector 1, 19, 21, 38 (power) Chassis ground - B+
Open in circuit inspection (ICU ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the ICU connector.
ICU connector 13, 14 (ground) Chassis ground - Approx. below 1Ω

Good 

No Good