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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Lighting System) >> Active AFS >> Symptom Chart
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Symptom Chart

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: The low beam headlamps performs small movements when AFS control unit detects the engine start. This is normal with initialization of swivel actuator by AFS control unit.
SYMPTOM CHART

Symptom AFS OFF indicator Causal system Reference
  • AFS operates, but cannot judge normal/ abnormal. (AFS function test)
 Normal Check swivel operation. "AFS OPERATION CHECK (FUNCTION TEST) "
Check steering angle sensor neutral point (straight-ahead position).
  • Auto aiming operates, but cannot judge normal/abnormal. (Auto aiming function test)
 Normal Check auto aiming operation. "AUTO AIMING OPERATION CHECK (FUNCTION TEST) "
Check height sensor signal value recognized by AFS control unit at unloaded vehicle position.
Check height sensor signal and aiming motor drive signal.
  • Neither AFS operates nor auto aiming operates.
 Blinking Check AFS control unit self-diagnostic results. "SELF-DIAG RESULTS "
Check AFS control unit power supply and ground circuit.
NOTE: Check only when "ADAPTIVE LIGHT" is not displayed on CONSULT-III "SELECT SYSTEM" screen.
 "PRELIMINARY CHECK "
  • AFS does not operate. (Auto aiming operation is normal.)
 Blinking Check AFS control unit self-diagnostic results. "SELF-DIAG RESULTS "
Illuminated Check AFS switch system circuit. "AFS SWITCH DOES NOT OPERATE "
  • Auto aiming does not operate. (AFS operation is normal.)
 Normal Check AFS control unit self-diagnostic results. "SELF-DIAG RESULTS "
Check aiming motor system circuit. "AUTO AIMING DOES NOT OPERATE (CHECK AIMING MOTOR SYSTEM CIRCUIT) "
  • Auto aiming operates in the reverse way. (Lowering vehicle height angles light axis up.)
 Normal Replace AFS control unit. "REMOVAL AND INSTALLATION OF AFS CONTROL UNIT "
  • AFS OFF indicator does not illuminate. (AFS operation and auto aiming operation are normal.)
 Not illuminated Check circuit between unified meter and A/C amp. and combination meter. "AFS OFF Indicator Does Not Operate "
  • AFS OFF indicator blinks. (AFS operation and auto aiming operation are normal.)
 Blinking Check receive state of AFS off indicator signal from unified meter and A/C amp.
  • AFS cannot be cancelled. (AFS switch does not operate.)
 Normal Check AFS switch system circuit. "AFS SWITCH DOES NOT OPERATE "
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