DTC P1572 Infiniti

ICC Brake Switch

ICC Brake Switch

Description

NOTE: If DTC P1572 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. This self-diagnosis has the one trip detection logic. When malfunction A is detected, DTC is not stored in ECM memory. And in that case, 1st trip DTC and 1st trip freeze frame data are displayed. 1st trip DTC is erased when ignition switch OFF. And even when malfunction A is detected in two consecutive trips, DTC is not stored in ECM memory. Condition A: ON signals from the stop lamp switch and the ICC brake switch are sent to ECM at the same time. Condition B: ICC brake switch signal is not sent to ECM for extremely long time while the vehicle is driving.

Cause and Solution

Harness or connectors - The stop lamp switch circuit is shorted. - The ICC brake switch circuit is shorted. Stop lamp switch ICC brake switch ICC brake hold relay Incorrect stop lamp switch installation Incorrect ICC brake switch installation ECM

Video Guide

Duration: PT4M49S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1572
  • Brand: Infiniti
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