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HOMESERVICE MANUALSINFINITI2006G35 BASE, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALMOTORS, SWITCHES, RELAYSPOWER SUPPLY, GROUND & CIRCUIT ELEMENTS (COUPE)IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)AUTO ACTIVE TESTINSPECTION IN AUTO ACTIVE TEST MODECONCEPT OF AUTO ACTIVE TEST
2006 Infiniti G35 Base, 2D Coupe, Automatic

Concept of Auto Active Test

2006 Infiniti G35 Base, 2D Coupe, AutomaticSECTION Concept of Auto Active Test
  • IPDM E/R actuates auto active test mode when it receives door switch signal from BCM via CAN communication line. Therefore, when auto active test mode is activated successfully, CAN communication between IPDM E/R and BCM is normal.
  • If any of systems controlled by IPDM E/R cannot be operated, possible cause can be easily diagnosed using auto active test.

Diagnosis chart in auto active test mode

AUTO ACTIVE TEST MODE TABLE

Symptom Inspection contents Possible cause
Rear window defogger does not operate. Perform auto active test. Does rear window defogger operate? YES
  • BCM signal input circuit malfunction
NO
  • Rear window defogger relay malfunction
  • Harness/connector malfunction between IPDM E/R and rear window defogger relay
  • Open circuit of rear window defogger
  • IPDM E/R malfunction
Any of front wipers, tail and parking lamps, front fog lamps, and head lamps (Hi, Lo) do not operate. Perform auto active test. Does system in question operate? YES
  • BCM signal input system malfunction
NO
  • Lamp/wiper motor malfunction
  • Lamp/wiper motor ground circuit malfunction
  • Harness/connector malfunction between IPDM E/R and system in question
  • IPDM E/R (integrated relay) malfunction
A/C compressor does not operate. Perform auto active test. Does magnetic clutch operate? YES
  • BCM signal input circuit malfunction
  • CAN communication signal between BCM and ECM.
  • CAN communication signal between ECM and IPDM E/R
NO
  • Magnetic clutch malfunction
  • Harness/connector malfunction between IPDM E/R and magnetic clutch
  • IPDM E/R (integrated relay) malfunction
Cooling fan does not operate. Perform auto active test. Does cooling fan operate? YES
  • ECM signal input circuit
  • CAN communication signal between ECM and IPDM E/R
NO
  • Cooling fan motor malfunction
  • Harness/connector malfunction between IPDM E/R and cooling fan motor
  • IPDM E/R (integrated relay) malfunction
Oil pressure warning lamp does not operate. Perform auto active test. Does oil pressure warning lamp blink? YES
  • Harness/connector malfunction between IPDM E/R and oil pressure switch
  • Oil pressure switch malfunction
  • IPDM E/R malfunction
NO
  • CAN communication signal between IPDM E/R and combination meter
  • Combination meter
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.