Curiosii for ever!: Car repair manuals for everyone.
Home >> Mitsubishi >> 2001 >> Galant GTZ V6-3.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Symptom Diagnostic Procedures >> N - Charts >> Inspection Procedure N-3

Inspection Procedure N-3

N-3: the Key Reminder Switch Signal Is Not Sent to the ETACS-ECU.

Key Reminder Switch Input Circuit:






THE KEY REMINDER SWITCH SIGNAL IS NOT SENT TO THE ETACS-ECU.
The ETACS-ECU operates various functions according to the input signal from the key reminder switch.

TECHNICAL DESCRIPTION (COMMENT)
The key reminder switch input signal is used to operate the following functions or system:
- Ignition key reminder tone alarm function Forgotten key prevention function
- Keyless entry system
- Ignition key hole illumination light
- Dome light dimming function
- Theft-alarm system

TROUBLESHOOTING HINTS
- Malfunction of the key reminder switch
- Malfunction of the ETACS-ECU
- Damaged harness wires or connectors If the signal fails, these devices will not work normally.

DIAGNOSIS

Required Special Tools:
- MB991223: Test Harness Set




STEP 1. Check the key reminder switch. Disconnect key reminder switch connector C-59. Then check the continuity.
Q: Is the key reminder switch in good condition?

YES: Go to Step 2.

NO: Repair it. The key reminder switch input signal should be able to be checked and the functions, which are described in the "Technical Description (comment)," should work normally.

STEP 2. Check the key reminder switch ground circuit at the key reminder switch connector C-59.
1. Disconnect the key reminder switch connector C-59 and measure at the harness side.




2. Measure the resistance between terminal 4 and ground.

Q: Is the resistance less than 2 ohm?

YES: Go to Step 5.

NO: Go to Step 3.




STEP 3. Check key reminder switch connector C-59 for damage.
Q: Is key reminder switch connector C-59 in good condition?

YES: Go to Step 4.

NO: Repair or replace it. Refer to Harness Connector Inspection. The key reminder switch input signal should be able to be checked and the functions, which are described in the "Technical Description (comment)," should work normally.




STEP 4. Check the harness wire between key reminder switch connector C-59 and ground.
Q: Is the harness wires between key reminder switch connector C-59 and ground in good condition?

YES: There is no action to be taken.

NO: Repair them. The key reminder switch input signal should be able to be checked and the functions, which are described in the "Technical Description (comment)," should work normally.







STEP 5. Check key reminder switch connector C-59 and ETACS-ECU connector C-82 for damage.
Q: Are key reminder switch connector C-59 and ETACS-ECU connector C-82 in good condition?

YES: Go to Step 6.

NO: Repair or replace them. Refer to Harness Connector Inspection. The key reminder switch input signal should be able to be checked and the functions, which are described in the "Technical Description (comment)," should work normally.







STEP 6. Check the harness wire between key reminder switch connector C-59 and ETACS-ECU connector C-82.
Q: Is the harness wire between key reminder switch connector C-59 and ETACS-ECU connector C-82 in good condition?

YES: Replace the ETACS-ECU. The key reminder switch input signal should be able to be checked and the functions, which are described in the "Technical Description (comment)," should work normally.

NO: Repair it. The key reminder switch input signal should be able to be checked and the functions, which are described in the "Technical Description (comment)," should work normally.

pro multis · Curiosii