Lancer Sportback L4-2.4L (4B12) (2010)
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Clock spring may be defective
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB992006: Extra Fine Probe
STEP 1. Check steering wheel audio remote control switch connector C-202 for loose, corroded or damaged terminals, or terminals pushed
back in the connector.
Q: Is steering wheel audio remote control switch connector C-202 in good condition?
YES : Go to Step 2.
NO : Repair the defective connector.
STEP 2. Check the power supply circuit to the wheel audio remote control switch. Measure the voltage at wheel audio remote control switch
connector C-202.
1. Disconnect the connector, and measure at the wiring harness-side connector.
2. Turn the ignition switch to the "ACC" position, and turn the taillight switch to the "ON" position.
3. Measure the voltage between terminal 1 and ground.
OK: Battery positive voltage
Q: Is the measured voltage battery positive voltage?
YES : Go to Step 3.
NO : Go to Step 5.
STEP 3. Check the wiring harness between steering wheel audio remote control switch connector C-202 (terminal 5) and ground.
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Check the ground wire for open circuit.
Q: Is the wiring harness between steering wheel audio remote control switch connector C-202 (terminal 5) and ground in good condition?
YES : Go to Step 4.
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 4. Check the steering wheel audio remote control switch.
Check the illumination of the steering wheel audio remote control switch. See: Component Tests and General Diagnostics
Q: Is the check result normal?
YES : Go to Step 10.