Galant LS V6-3.0L SOHC (1999)
Headlight Relay (high) Drive Circuit
CIRCUIT OPERATION
If the column switch sends the passing switch ON signal to the front-ECU, the front-ECU switches the headlights from low-beam to high-beam or vice
versa.
TECHNICAL DESCRIPTION (COMMENT)
If the headlights (low-beam and high-beam) are defective, the column switch or the front-ECU is suspected to be defective.
TROUBLESHOOTING HINTS
-
Malfunction of the column switch (turn-signal light and lighting switch)
-
Malfunction of the front-ECU
-
Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
MB991223: Test Harness Set
MB991502: Scan Tool (MUT-II)
