Galant L4-2.4L (4G69) (2004)
1. Disconnect joint connector (3) C-02 and A/C-ECU connector C-10 <manual air conditioning system (low)> or C-15 <manual air conditioning
system (middle) or automatic air conditioning system>, and measure the resistance at the wiring harness side of joint connector (3) C-02.
2. Turn the ignition switch to the "LOCK" (OFF) position.
CAUTION: Disconnect the negative battery terminal. For details refer to Service Precautions/Vehicle Damage Warnings.
3. Disconnect the negative battery terminal.
4. Measure the resistance between joint connector (3) terminal 17 and body ground.
OK: 1 kOhm or more
CAUTION: Strictly observe the specified wiring harness repair procedure. For details refer to Service Precautions/Vehicle Damage Warnings.
Q: Does the resistance measure 1 kOhm or more?
YES: If the resistance measures 1 kOhm or more, diagnose CAN bus lines thoroughly by referring to DIAGNOSTIC ITEM 14.
NO: If the resistance measures less than 1 kOhm, repair the wiring harness between joint connector (3) and the A/C-ECU connector.
STEP 35. Check the CAN_L line (communication line including the SRS-ECU) between joint connector (3) and the SRS-ECU connector for
short to ground. Measure the resistance at joint connector (3) C-02.
CAUTION: A digital multimeter should be used. For details refer to Service Precautions/Vehicle Damage Warnings.
CAUTION: The test wiring harness should be used. For details refer to Service Precautions/Vehicle Damage Warnings.