Steering Lock System Diagnostic Trouble Code Chart

Steering. Corolla. Zre142 Aze141
Steering Column. Corolla. Zre142 Aze141

Steering Lock System -- Diagnostic Trouble Code Chart


If a trouble code is displayed during the DTC check, check the parts listed for that code in the table below and proceed to the appropriate page.
HINT:
The steering lock ECU does not store DTCs regarding the past problems.

Steering Lock System
DTC Code
Detection Item
Trouble Area
See page
B2781
Open / Short in Steering Lock ECU
Steering lock actuator assembly (Steering lock ECU)
COROLLA_ZRE142 RM000000YQZ05NX.html
B2782
Power Source Control ECU Malfunction
1. Wire harness
2. Steering lock actuator assembly (Steering lock ECU)
3. Main body ECU
COROLLA_ZRE142 RM000000YR0051X.html
B2788
IG2 Signal Malfunction
1. IG2 relay
2. Wire harness
3. Main body ECU
4. Steering lock actuator assembly (Steering lock ECU)
COROLLA_ZRE142 RM000000YR104TX.html