DTC B27A2: Open in Front Passenger Side Electrical Antenna Circuit: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK CONNECTOR CONNECTION CONDITION
- Turn the power switch off.
- Check that the connectors are properly connected to the certification ECU (smart key ECU assembly) and the front door outside handle assembly (for front passenger side).
OK
Connectors are properly connected.
NG → CONNECT CONNECTORS PROPERLY
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - FRONT DOOR OUTSIDE HANDLE)
- Disconnect the certification ECU (smart key ECU assembly) connector.
- Disconnect the front door outside handle assembly (for front passenger side) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition L62-5 (CLG2) - z4-6 (ANT1) Always Below 1 Ω L62-6 (CG2B) - z4-3 (ANT2) Always Below 1 Ω L62-5 (CLG2) - Body ground Always 10 kΩ or higher L62-6 (CG2B) - Body ground Always 10 kΩ or higher z4-6 (ANT1) - Body ground Always 10 kΩ or higher z4-3 (ANT2) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (FRONT DOOR OUTSIDE HANDLE - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition z4-2 (GND) - Body ground Always Below 1 Ω
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- Measure the resistance according to the value(s) in the table below.
- INSPECT CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (DOOR ELECTRICAL KEY OSCILLATOR SIGNAL OUTPUT)
- Reconnect the certification ECU (smart key ECU assembly) connector.
- Measure the resistance and check for pulses according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition L62-15 (E) - Body ground Always Below 1 Ω Standard
Tester Connection Condition Specified Condition L62-5 (CLG2) - L62-15 (E) - Power switch off
- All doors closed
- Key not in cabin
No pulse generation L62-5 (CLG2) - L62-15 (E) - Power switch off
- All doors closed
- Key not in cabin
- All doors locked by wireless lock function
Pulse generation L62-6 (CG2B) - L62-15 (E) - Power switch off
- All doors closed
- Key not in cabin
No pulse generation L62-6 (CG2B) - L62-15 (E) - Power switch off
- All doors closed
- Key not in cabin
- All doors locked by wireless lock function
Pulse generation TEXT IN ILLUSTRATION*a Component with harness connected
(Certification ECU (Smart Key ECU Assembly))
NG → See step 7
OK: Go to next step
- REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY (for Front Passenger Side)
- Replace the front door outside handle assembly (for front passenger side). Refer to DISASSEMBLY .
NEXT: Go to next step
- CHECK DTC OUTPUT
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
- Recheck for DTCs.
OK
DTC B27A2 is not output.
NG → See step 7
OK → END (FRONT DOOR OUTSIDE HANDLE ASSEMBLY WAS DEFECTIVE)
- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL