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Home >> Kia >> 2024 >> Seltos X-Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (8 Of 8) >> DTC U012B-00: Lost Communication With Chassis Control Module 'B' >> Wiring Inspection >> Circuit Inspection >> Module Inspection

Module Inspection

Inspection Item Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
Power inspection (FR_RDR ↔ Chassis ground)
  1. Disconnect the connector(s) FR_RDR.
  2. Ignition "ON".
 FR_RDR connector 6 (power) Chassis ground - B+
Open in circuit inspection (FR_RDR ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the connector(s) FR_RDR.
 FR_RDR connector 1 (ground) Chassis ground - Approx. below 1Ω
Power inspection (FR_CMR ↔ Chassis ground)
  1. Disconnect the connector(s) FR_CMR.
  2. Ignition "ON".
 FR_CMR connector 7 (power) Chassis ground - B+
Open in circuit inspection (FR_CMR ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the connector(s) FR_CMR.
 FR_CMR connector 11 (ground) Chassis ground - Approx. below 1Ω
Power inspection (RR_C_RDR LH ↔ Chassis ground)
  1. Disconnect the connector(s) RR_C_RDR LH.
  2. Ignition "ON".
 RR_C_RDR LH connector 7 (power) Chassis ground - B+
Open in circuit inspection (RR_C_RDR LH ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the connector(s) RR_C_RDR LH.
 RR_C_RDR LH connector 4 (ground) Chassis ground - Approx. below 1Ω
Power inspection (RR_C_RDR RH ↔ Chassis ground)
  1. Disconnect the connector(s) RR_C_RDR RH.
  2. Ignition "ON".
 RR_C_RDR RH connector 7 (power) Chassis ground - B+
Open in circuit inspection (RR_C_RDR RH ↔ Chassis ground)
  1. Ignition "OFF".
  2. Disconnect the connector(s) RR_C_RDR RH.
 RR_C_RDR RH connector 4 (ground) Chassis ground - Approx. below 1Ω

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