Montero XLS 4WD V6-3.5L SOHC (2001)
NO: Repair or replace it. Refer to Harness Connector Inspection. The headlights (low-beam) should illuminate normally.
STEP 8. Check the harness wires between front-ECU connector A-07X and headlight connectors A-20 and A-32.
NOTE: After checking joint connector A-17, check the wires. If joint connector A-17 is damaged, repair or replace it. Refer to Harness Connector
Inspection.
Q: Are the harness wires between front-ECU connector A-07X and headlight connectors A-20 and A-32 in good condition?
YES: There is no action to be taken.
NO: Repair them. The headlights (low-beam) should illuminate normally.
Inspection Procedure L-3
Headlight, taillight: Headlights (high-beam) do not illuminate
Headlights Drive Circuit
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Refer to Inspection Procedure L-2.
CIRCUIT OPERATION
If the column switch sends the dimmer 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)
The column switch or the front-ECU is suspected to be defective.
NOTE: If only one of the headlights does not illuminate, the light bulb may be burned out or the harness wires between the light and the headlight relay
(high-beam) may be defective. In this case, check the circuit by referring to Headlight.
TROUBLESHOOTING HINTS