Lancer Sportback L4-2.4L (4B12) (2010)
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YES : Go to Step 7.
NO : Go to Step 6.
STEP 6. Check the wiring harness between hands-free module connector C-110 (terminal 15) and ground.
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Check the ground wire for open circuit.
Q: Is the wiring harness between hands-free module connector C-110 (terminal 15) and ground in good condition?
YES : The trouble can be an intermittent malfunction. (Refer to How to use Troubleshooting/inspection sevice points - How to cope with
Intermittent Malfunction).
NO : The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the
connector. Repair the wiring harness as necessary.
STEP 7. Check the power supply circuit to the hands-free module. Measure the voltage at hands free module connector C-110.
1. Disconnect hands free module connector C-110, and measure the voltage available at the hands-free module side of the connector.
2. Measure the voltage between terminal 13 and ground.
OK: The voltage should measure approximately 12volts (battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery positive voltage)?
YES : Go to Step 9.
NO : Go to Step 8.
STEP 8. Check the wiring harness between hands-free module connector C-110 (terminal 13) and ETACS-ECU connector C-317 (terminal 1).
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Check the power supply line for open circuit and short circuit.
Q: Is the wiring harness between hands-free module connector C-110 (terminal 13) and ETACS-ECU connector C-317 (terminal 1) in good
condition?
YES : The trouble can be an intermittent malfunction. (Refer to How to use Troubleshooting/inspection sevice points - How to cope with
Intermittent Malfunction).
NO : The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the
connector. Repair the wiring harness as necessary.
STEP 9. Check microphone unit connector D-03 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is microphone unit connector D-03 in good condition?
YES : Go to Step 10.
NO : Repair or replace the damaged component(s).
STEP 10. Check the wiring harness between hands free module connector C-110 and microphone unit connector D-03.