LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Infiniti
>>
2014
>>
Q50 Base, AWD
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System - DTCS P1236 To P2138 (Except Hybrid)
>>
DTC P1236, P2118: Throttle Control Motor
>>
DTC Description
>>
DTC Detection Logic
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC Detection Logic
DTC DETECTION CONDITION
DTC No.
CONSULT screen terms (Trouble diagnosis content)
DTC detecting condition
P1236
ETC_MOT-B2 (ETC Motor Bank 2)
ECM detects short in both circuits between ECM and throttle control motor.
P2118
ETC MOT-B1 (Throttle actuator control motor current range/performance)