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Home >> Infiniti >> 2010 >> M45 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1550 To P2A03 >> DTC P2135 TP Sensor >> On Board Diagnosis Logic
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On Board Diagnosis Logic

This self-diagnosis has the one trip detection logic  .

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2135
2135
Throttle position sensor circuit range/performance Rationally incorrect voltage is sent to ECM compared with the signals from TP sensor 1 and TP sensor 2.
  • Harness or connector

    (TP sensor 1 and 2 circuit is open or shorted.)

    (APP sensor 2 circuit is shorted.)

  • Electric throttle control actuator

    (TP sensor 1 and 2)

  • Accelerator pedal position sensor
(APP sensor 2)

FAIL-SAFE MODE

When the malfunction is detected, ECM enters fail-safe mode and the MIL illuminate.

FAIL-SAFE CHART

Engine operation condition in fail-safe mode
The ECM controls the electric throttle control actuator in regulating the throttle opening in order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal condition.
So, the acceleration will be poor.