Galant LS V6-3.0L SOHC (1999)
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 one of the input signal checks shows a defect, check the relevant input circuit.
If no defect appears, replace the ETACS-ECU.
The light reminder tone alarm function should work normally.
Inspection Procedure B-3
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU operates the seat belt tone alarm function, based on input signals from the following switches.
-
Ignition switch (IG1)
-
Driver's seat belt switch
If the function does not work normally, a defect on the relevant circuit or the ETACS-ECU may be suspected.
TROUBLESHOOTING HINTS
-
Malfunction of the seat belt switch
-
Malfunction of the ETACS-ECU
-
Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
MB991223: Test Harness Set
MB991502: Scan Tool (MUT-II)
MB991529: Diagnostic Trouble Code Check Harness
Check the input signal.
Check the input signals from the following switches:
-
Ignition switch (IG1)
-
Driver's seat belt switch
<When using scan tool M6991502>
