Galant DE L4-2350cc 2.4L SOHC MFI (2000)
If the DTC does not set, go to Step 2.
STEP 2. Check the input signal.
Check the input signal from the taillight switch.
<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 enters.
If a defect appears, check the taillight switch input circuit.
Refer to Inspection Procedure N-14.
If no defect appears, go to Step 3.
STEP 3. Check the taillight relay.
If the taillight relay is damaged, replace it.
