Galant LS V6-3.0L SOHC (1999)
Required Special Tools:
MB991223: Test Harness Set
MB991502: Scan Tool (MUT-II)
MB991529: Diagnostic Trouble Code Check Harness
STEP 1. Check the input signal.
Check the input signals from the following switches:
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Ignition switch (IG1)
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Driver's seat belt switch <2000 models only>
<When using scan tool MB991502>
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to "LOCK" (OFF) position before connecting or disconnecting
scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Check that the tone alarm of scan tool MB991502 sounds when the input signal enters.
<When using a voltmeter>
1. Use special tool MB991529 to connect a voltmeter between ground terminal 4 or 5 and ETACS-ECU terminal 9 of the data link connector.
2. Check that the voltmeter indicator deflects once when the input signal.
If one of the input signal checks shows a defect, check the relevant input signal circuit.
If none of the input signal checks shows a defect, go to Step 2.
STEP 2. Check the seat belt warning light circuit at the ETACS-ECU connector C-82.
1. Disconnect the ETACS-ECU connector C-82 and measure at the harness side.
2. Turn the ignition switch to "ON" position.
3. Connect terminal 54 to the ground.
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The seat belt warning light should illuminate.
If the seat belt warning light does not illuminate, go to Step 3.
