Montero LTD 4WD V6-3.5L SOHC (2002)
Connector
TECHNICAL DESCRIPTION (COMMENT)
If one of the headlights does not illuminate, a headlight bulb may be defective.
TROUBLESHOOTING HINTS
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Malfunction of headlight bulb
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
STEP 1. Check the headlight operation.
Q: Which of the headlights does not illuminate?
LH (low or high beam): Go to Step 2.
RH (low or high beam): Go to Step 5.
LH (only low-beam): Go to Step 8.
RH (only low-beam): Go to Step 11.
LH (only high beam): Go to Step 14.
RH (only high beam): Go to Step 17.
Low beam only (both RH and LH): Refer to Inspection Procedure L-2 "headlights (low-beam) do not illuminate").
High beam (both RH and LH) and high-beam indicator light : Refer to Inspection Procedure L-3 "headlights (high-beam) do not illuminate").
STEP 2. Check headlight (LH) bulb.
1. Remove the headlight (LH) bulb.
2. Check that the headlight (LH) bulb is not broken.
Q: Is headlight (LH) bulb normal?
YES: Go to Step 3.
NO: Replace the headlight (LH) bulb. Check that the headlights illuminate normally.
STEP 3. Check headlight (LH) connector A-20 for damage.
Q: Is headlight (LH) connector A-20 in good condition?
YES: Go to Step 4.