Eclipse V6-3.0L SOHC (2003)
Encrypted Transmitter Code Circuit
CIRCUIT OPERATION
The ETACS-ECU operates the encrypted code register mode according to the following signals:
-
Key reminder switch
-
Hazard warning light switch
TECHNICAL DESCRIPTION (COMMENT)
Is the encrypted code register mode can not be set, the input circuits from the switches described in "CIRCUIT OPERATION" or the ETACS-ECU may
be defective.
If the encrypted code register mode can be set but the transmitter can not be registered, the transmitter or the ETACS-ECU may be defective.
TROUBLESHOOTING HINTS
-
Malfunction of the key reminder switch
-
Malfunction of the hazard warning light switch
-
Malfunction of the transmitter
-
Malfunction of the ETACS-ECU
-
Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
-
MB991223: Test Harness Set
-
MB991502: Scan Tool (MUT-II)
STEP 1. Check trouble symptom.
Q: Can the encrypted code register mode be set?
YES: Go to Step 3.
NO: Go to Step 2.
STEP 2. Check the input signal (by using the Pulse check).
Check the input signals from the following switches:
-
Key reminder switch
-
Hazard warning light switch
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
