Toyota 4Runner: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Certification ECU|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B27A1 |
Open in Driver Side Electrical Antenna Circuit |
- Harness or connector - Front door outside handle assembly (for driver side) - Certification ECU |
|
|
B27A2 |
Open in Front Passenger Side Electrical Antenna Circuit |
- Harness or connector - Front door outside handle assembly (for front passenger side) - Certification ECU |
|
|
B27A5 |
Open in Front Floor Electrical Key Oscillator Circuit |
- Harness or connector - Indoor No. 1 electrical key antenna (front floor) - Certification ECU |
|
|
B27A6 |
Open in Rear Floor Electrical Key Oscillator Circuit |
- Harness or connector - Indoor No. 2 electrical key antenna (rear floor) - Certification ECU |
|
|
B27A7 |
Open in Inside Luggage Compartment Electrical Key Oscillator Circuit |
- Harness or connector - Indoor No. 2 electrical key antenna (inside luggage) - Certification ECU |
|
|
B27A8 |
Open in Outside Luggage Compartment Electrical Key Antenna Circuit |
- Harness or connector - Electrical key antenna (outside luggage) - Certification ECU |
|
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Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
DESCRIPTION
The certification ECU generates a request signal and transmits the signal to
the electrical key antenna (outside luggage). The electrical key antenna (outside
luggage) detects that th ...
Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
DESCRIPTION
The certification ECU generates a request signal and transmits the signal to
the indoor No. 2 electrical key antenna (rear floor). The indoor No. 2 electrical
key antenna (rear floor) ...
Other materials about Toyota 4Runner:
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The wireless door lock control system troubleshooting procedures are
based on the premise that the power door lock control system is operating
normally. Check the power door lock control system first before troub ...
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