DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1290
Throttle control motor relay circuit open (bank 2)
ECM detects a voltage of power source for throttle control motor is excessively low.
  • Harness or connectors
    (Throttle control motor relay circuit is open)
  • Throttle control motor relay
P2100
Throttle control motor relay circuit open (bank 1)
P2103
Throttle control motor relay circuit short
ECM detect the throttle control motor relay is stuck ON.
  • Harness or connectors
    (Throttle control motor relay circuit is shorted)
  • Throttle control motor relay

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P1290 and P2100
 
 3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103