mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 2303 > < Initial Inspection and Diagnostic Overview|Page 2301
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If the high-beam indicator light does not illuminate, the high-beam indicator light bulb or the ETACS-ECU may be defective.

TROUBLESHOOTING HINTS

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The high-beam indicator light bulb may be defective

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The ETACS-ECU may be defective

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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector

Required Special Tool:

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MB991223: Harness Set

STEP 1. Verify the headlight operation.

Q: Do the headlights illuminate?

YES: Go to Step 2.

NO: Repair the headlights first.

STEP 2. Check at ETACS-ECU connector C-219 in order to check the high-beam indicator light circuit.

1. Disconnect ETACS-ECU connector C-219, and measure at the wiring harness side.
2. Turn the ignition switch to the "ON" position.

3. Connect terminal 72 to ground.

Q: Does the high-beam indicator light illuminate?

Initial Inspection and Diagnostic Overview|Page 2303 > < Initial Inspection and Diagnostic Overview|Page 2301