Inspection steps
WARNING: This page is about a different car, the 2018 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
After replacing the headlight leveling computer ASSY, initialization is required. (Refer to
AUTO LEVELING SYSTEM )
- Inspection of the wiring harnesses and connectors (headlight leveling computer ASSY - headlight ASSY)
- Disconnect the connector A16 of the headlight leveling computer ASSY.
- Disconnect the connector A62 of the headlight ASSY LH, or connector A40 of the headlight ASSY RH.
- Measure the resistance according to the following chart. Resistance (open circuit check)STANDARD VALUE SPECIFICATION - LH SIDE
Inspection terminals (Terminal symbol) Inspection conditions Standard value A16-11 (LH1) - A62-3 (LHB1) Always Less than 1 Ω A16-18 (LH2) - A62-2 (LHM+) Always Less than 1 Ω A16-24 (LH3) - A62-1 (LHE) Always Less than 1 Ω STANDARD VALUE SPECIFICATION - RH SIDEInspection terminals (Terminal symbol) Inspection conditions Standard value A16-10 (RH1) - A40-3 (RHB1) Always Less than 1 Ω A16-17 (RH2) - A40-2 (RHM+) Always Less than 1 Ω A16-23 (RH3) - A40-1 (RHE) Always Less than 1 Ω Resistance (short circuit check)
STANDARD VALUE SPECIFICATION - LH SIDEInspection terminals (Terminal symbol) Inspection conditions Standard value A16-11 (LH1) - Chassis ground Always 10 kΩ or more A16-18 (LH2) - Chassis ground Always 10 kΩ or more A16-24 (LH3) - Chassis ground Always 10 kΩ or more STANDARD VALUE SPECIFICATION - RH SIDEInspection terminals (Terminal symbol) Inspection conditions Standard value A16-10 (RH1) - Chassis ground Always 10 kΩ or more A16-17 (RH2) - Chassis ground Always 10 kΩ or more A16-23 (RH3) - Chassis ground Always 10 kΩ or more OK: Go to next step
NG: Repair or replacement of wiring harness or connector
- Replacement of the headlight leveling computer ASSY
- Replace with a new or normal headlight leveling computer ASSY. (Refer to HEADLIGHT LEVELING COMPUTER )
- Operation inspection
- Inspect the operation of the headlight leveling motors. (Refer to
LIGHTING SYSTEM ) Criteria: The headlight leveling motors operate normally.RESULT DESCRIPTION
Item Go to Both headlight leveling motors operate. A The right headlight leveling motor does not operate. B The left headlight leveling motor does not operate. C - Go to next step
- Replacement of the headlight ASSY RH (Refer to HEADLIGHTS )
- Replacement of the headlight ASSY LH (Refer to HEADLIGHTS )
Complete (Faulty headlight leveling computer ASSY)
- Inspect the operation of the headlight leveling motors. (Refer to
LIGHTING SYSTEM ) Criteria: The headlight leveling motors operate normally.