Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2010 Toyota Land CruiserFACTORY OEM SERVICE PROCEDURE
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" below.
SMART KEY SYSTEM (FOR START FUNCTION)
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B2271 | Ignition Hold Monitor Malfunction | - Main body ECU - AM2 fuse - Harness or connector |
Refer to DTC B2271: Ignition Hold Monitor Malfunction |
| B2272 | Ignition 1 Monitor Malfunction | - Main body ECU - Harness or connector |
Refer to DTC B2272: Ignition 1 Monitor Malfunction |
| B2273 | Ignition 2 Monitor Malfunction | - Main body ECU - IG2 MAIN fuse - Integration relay (IG2 relay) - Harness or connector |
Refer to DTC B2273: Ignition 2 Monitor Malfunction |
| B2274 | ACC Monitor Malfunction | - Main body ECU - Harness or connector |
Refer to DTC B2274: ACC Monitor Malfunction |
| B2275 | STSW Monitor Malfunction | - Main body ECU - ECM - Harness or connector |
Refer to DTC B2275: STSW Monitor Malfunction |
| B2276 | ACCR Signal Circuit Malfunction | - Main body ECU - ECM - Harness or connector |
Refer to DTC B2276: ACCR Signal Circuit Malfunction |
| B2277 | Detecting Vehicle Submersion | Main body ECU | Refer to DTC B2277: Detecting Vehicle Submersion |
| B2278 | Engine Switch Circuit Malfunction | - Main body ECU - Engine switch - Harness or connector |
Refer to DTC B2278: Engine Switch Circuit Malfunction |
| B2281 | "P" Signal Malfunction | - Main body ECU - Shift lock control ECU - Harness or connector |
Refer to DTC B2281: "P" Signal Malfunction |
| B2282 | Vehicle Speed Signal Malfunction | - Main body ECU - Combination meter - Harness or connector |
Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction |
| B2283 | Vehicle Speed Sensor Malfunction | - Main body ECU - Combination meter - Speed sensor - Skid control ECU - Harness or connector |
Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction |
| B2284 | Brake Signal Malfunction | - Main body ECU - Stop light switch - STOP fuse - Harness or connector |
Refer to DTC B2284: Brake Signal Malfunction |
| B2285 | Steering Lock Position Signal Circuit Malfunction | - Main body ECU - Steering lock actuator assembly (steering lock ECU) - Harness or connector |
Refer to DTC B2285: Steering Lock Position Signal Circuit Malfunction; DTC B2288: Steering Lock Signal Circuit Malfunction |
| B2286 | Runnable Signal Malfunction | - Main body ECU - ECM - Harness or connector |
Refer to DTC B2286: Runnable Signal Malfunction |
| B2288 | Steering Lock Signal Circuit Malfunction | - Main body ECU - Steering lock actuator assembly (steering lock ECU) - Harness or connector |
Refer to DTC B2285: Steering Lock Position Signal Circuit Malfunction; DTC B2288: Steering Lock Signal Circuit Malfunction |
| B2289 | Key Collation Waiting Time Over | - Main body ECU - Engine switch - Certification ECU (smart key ECU assembly) - Key - Engine immobiliser system - Harness or connector |
Refer to DTC B2289: Key Collation Waiting Time Over |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.