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Home >> Lexus >> 2012 >> CT 200h Base >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Starter >> Smart Access System (Keyless Start) (Diagnostics - Introduction) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> Diagnostic Trouble Code Chart >> Diagnostic Trouble Code Chart

Diagnostic Trouble Code Chart

SMART ACCESS SYSTEM WITH PUSH-BUTTON START (FOR START FUNCTION)

DTC Code Detection Item Trouble Area See
B2271 Ignition Hold Monitor Malfunction 1. AM2 fuse
2. IG1 relays (Instrument panel junction block assembly)
3. IG2 relay (No. 2 integration relay)
4. Power management control ECU
5. Wire harness or connector
Refer to DTC B2271: Ignition Hold Monitor Malfunction
B2274 ACC Monitor Malfunction 1. AM2 fuse
2. ACC relay (Instrument panel junction block assembly)
3. Power management control ECU
4. Wire harness or connector
Refer to DTC B2274: ACC Monitor Malfunction
B2275 STSW Monitor Malfunction 1. AM2 fuse
2. Power management control ECU
3. Wire harness or connector
Refer to DTC B2275: STSW Monitor Malfunction
B2277 Detecting Vehicle Submersion 1. Submersion of power management control ECU in water
2. Power management control ECU
Refer to DTC B2277: Detecting Vehicle Submersion
B2282 Vehicle Speed Signal Malfunction 1. CAN communication system
2. Combination meter assembly
3. Power management control ECU
4. No. 12 junction block
5. Wire harness or connector
Refer to DTC B2282: Vehicle Speed Signal Malfunction
B2284 Brake Signal Malfunction 1. AM2 fuse
2. STOP fuse
3. Stop light switch assembly
4. CAN communication system
5. Skid control ECU assembly
6. Power management control ECU
7. Wire harness or connector
Refer to DTC B2284: Brake Signal Malfunction
B2286 Runnable Signal Malfunction 1. AM2 fuse
2. Power management control ECU
3. Wire harness or connector
f DTC B2286: Runnable Signal Malfunction
U0293 Lost Communication with HV ECU 1. Power management control ECU Refer to DTC U0293: Lost Communication with HV ECU