AFS ECU Power Source Circuit

LIGHTING: LIGHTING SYSTEM: AFS ECU Power Source Circuit

AFS ECU Power Source Circuit

DESCRIPTION

This circuit detects the state of the engine switch. The AFS ECU receives it from the engine switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT AFS ECU




(a) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- CHECK WIRE HARNESS (AFS ECU - BODY GROUND)
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. CHECK WIRE HARNESS (AFS ECU - BODY GROUND)




(a) Disconnect the A27 AFS ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (AFS ECU - BODY GROUND)
OK -- Continue to next step.
3. INSPECT AFS ECU




(a) Disconnect the A27 AFS ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (AFS ECU - BATTERY)
OK -- REPLACE AFS ECU