Toyota Tacoma (2015-2018) Service Manual: Airbag System
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- System Description
- Check Mode Procedure
- Diagnosis System
- Dtc Check / Clear
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Short in Front Passenger Side Squib 2nd Step Circuit (B1815/54-B1818/54)
- Short in Side Squib RH Circuit (B1820/55-B1823/55)
- Short in Side Squib LH Circuit (B1825/56-B1828/56)
- Short in Curtain Shield Squib RH Circuit (B1830/57-B1833/57)
- Short in Curtain Shield Squib LH Circuit (B1835/58-B1838/58)
- Short in Driver Side Knee Airbag Squib Circuit (B1860/64-B1863/64)
- Short in Front Passenger Side Knee Airbag Squib Circuit (B1865/65-B1868/65)
- Short in Front Passenger Side Squib Circuit (B1805/52-B1808/52)
- Short in Driver Side Squib 2nd Step Circuit (B1810/53-B1813/53)
- Seat Belt Buckle Switch LH Circuit Malfunction (B1656/38)
- Occupant Classification System Malfunction (B1650/32)
- Seat Position Airbag Sensor Circuit Malfunction (B1653/35)
- Side Airbag Sensor LH Circuit Malfunction (B1625/22)
- Rear Airbag Sensor RH Circuit Malfunction (B1630/23)
- Rear Airbag Sensor LH Circuit Malfunction (B1635/24)
- Center Airbag Sensor Assembly Malfunction (B1000/31)
- Front Airbag Sensor LH Circuit Malfunction (B1615/14)
- Side Airbag Sensor RH Circuit Malfunction (B1620/21)
- Front Airbag Sensor RH Circuit Malfunction (B1610/13)
- SRS Warning Light does not Come ON
- SRS Warning Light Remains ON
- TC and CG Terminal Circuit
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
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Other materials:
Occupant Classification ECU Malfunction (B1795)
DESCRIPTION
DTC B1795 is set when a malfunction is detected in the occupant detection ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
DTC No.
DTC Detections Conditions
Trouble Areas
B1795
Occupant detection ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side w ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame data.
HINT:
DTCs which are sto ...
