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Circuit Inspection

Fig 1: IBAU System Circuit
G12320525Courtesy of KIA MOTORS AMERICA, INC.
INSPECTION PART - CHARGING SYSTEM INSPECTION

Inspection Part: Charging System Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Shift lever position "P" & Ignition "ON"/"READY". ("READY" lamp ON in Instrument cluster)
  2. Start the engine and turn the headlight, rear window defogger and all other electrical devices.
  3. Measure voltage between (+) terminal and (-) terminal of battery while maintaining engine RPM at 2500RPM
Battery + Terminal Battery - Terminal 9 to 16V
INSPECTION PART - IBAU CIRCUIT INSPECTION

Inspection Part: IBAU Circuit Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
IBAU Connector 1 (power) Chassis ground - B+
30 (power) - B+
5 (ON/START input) - B+
14 (ground) - Below 1Ω
46 (ground) - Below 1Ω
Good 
No Good