Galant LS V6-3.0L SOHC (1999)
TROUBLESHOOTING HINTS
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Malfunction of the headlight relay (high)
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Malfunction of the front-ECU
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Malfunction of the ETACS-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Check the headlight (high-beam) operation.
If the headlights (high-beam) do not illuminate normally, solve the problem first.
If the headlights (high-beam) work normally, replace the ETACS-ECU or front-ECU.
The headlights (high-beam) should flash when the theft-alarm system is triggered.
Inspection Procedure M-4
TECHNICAL DESCRIPTION (COMMENT)
If the keyless entry system is normal, the ETACS-ECU is defective.
TROUBLESHOOTING HINTS
-
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
STEP 1. Check the keyless entry system.
If the keyless entry system does not work normally, solve the problem first.
If the keyless entry system is normal, go to Step 2.
STEP 2. Check the input signal.
Check the input signals from the transmitter "PANIC" 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.
