Galant LS V6-3.0L SOHC (1999)
The trunk lid latch switch input signal is used to arm the theft-alarm system. If the signal fails, the theft-alarm system will not be armed normally.
TROUBLESHOOTING HINTS
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Malfunction of the trunk lid latch
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Malfunction of the ETACS-ECU
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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 trunk lid latch switch.
If the trunk lid latch switch is damaged, replace it.
The input signal from the trunk lid latch switch should be able to be checked and the theft-alarm system should be armed normally.
If the trunk lid latch switch is in good condition, go to Step 2.
STEP 2. Check the trunk lid latch switch ground circuit at trunk lid latch switch connector F-21.
1. Disconnect trunk latch switch connector F-21 and measure at the harness side.
2. Resistance between terminal 2 and ground.
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Should be less than 2 Ohms.
If open circuit, go to Step 3.
If less than 2 Ohms, go to Step 5.