Lexus IS250 IS220d GSE20 ALE20 4GR-FSE STARTING
ENTRY AND START SYSTEM - DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | Detection Item | Trouble Area | See page |
| B2271 | Ignition Hold Monitor Malfunction | 1. AM2 fuse 2. IG2 relay 3. Cowl side J/B RH 4. Cowl side J/B LH 5. Power source control ECU 6. Wire harness or connector | |
| B2272 | Ignition 1 Monitor Malfunction | 1. AM2 Fuse 2. Cowl side J/B RH 3. Cowl side J/B LH 4. Power source control ECU 5. Wire harness or connector | |
| B2273 | Ignition 2 Monitor Malfunction | 1. AM2 fuse 2. IG2 relay 3. Power source control ECU 4. Wire harness or connector | |
| B2274 | ACC Monitor Malfunction | 1. AM2 fuse 2. Cowl side J/B RH 3. Power source control ECU 4. Wire harness or connector | |
| B2275 | STSW Monitor Malfunction | 1. AM2 fuse 2. ECM 3. Steering lock ECU 4. Power source control ECU 5. Wire harness or connector | |
| B2276 | ACCR Signal Circuit Malfunction | 1. Power source control ECU 2. ECM 3. Wire harness or connector | |
| B2277 | Detecting Vehicle Submersion | Power source control ECU | |
| B2278 | Engine Switch Circuit Malfunction | 1. Engine switch 2. Power source control ECU 3. Wire harness or connector | |
| B2281 | "P" Signal Malfunction | 1. Power source control ECU 2. Shift lock control ECU 3. ECM 4. Wire harness or connector | |
| B2282 | Vehicle Speed Signal Malfunction | 1. Multiplex communication system 2. Combination meter system 3. Power source control ECU 4. Wire harness or connector | |
| B2283 | Vehicle Speed Sensor Malfunction | 1. B2282 detection area 2. Combination meter 3. Speed sensor 4. Skid control ECU 5. Wire harness or connector | |
| B2284 | Brake Signal Malfunction | 1. Stop light switch 2. Multiplex communication system 3. CAN communication system 4. ECM 5. Power source control ECU 6. Wire harness or connector | |
| B2285 | Steering Lock Position Signal Circuit Malfunction | 1. Power source control ECU 2. Steering lock ECU 3. Wire harness or connector | |
| B2286 | Runnable Signal Malfunction | 1. Multiplex communication system 2. CAN communication system 3. ECM 4. Power source control ECU 5. Wire harness or connector | |
| B2287 | LIN Communication Master Malfunction | 1. Power source control ECU 2. Certification ECU 3. Wire harness or connector | |
| B2288 | Steering Lock Signal Circuit Malfunction | 1. Power source control ECU 2. Steering lock ECU 3. Wire harness or connector | |
| B2289 | Key Collation Waiting Time Over | 1. Power source control ECU 2. Engine immobiliser system 3. Wire harness or connector 4. Certification ECU |
LEXUS IS250, IS220d / GSE20 ALE20