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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1550 To P2A03 >> DTC P1651: Starter Motor Relay >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC P1651 is displayed with DTC U1001, perform the trouble diagnosis for DTC U1001. Refer to "DTC LOGIC ".
  • If DTC P1651 is displayed with DTC P0607, perform the trouble diagnosis for DTC P0607. Refer to "DTC LOGIC ".
  • If DTC P1651 is displayed with B209F or B20A0 of IPDM E/R, perform the trouble diagnosis for B209F or B20A0. Refer to "DTC LOGIC " or "DTC LOGIC ".
  • If DTC P1651 is displayed with B26F9 or B26FA of BCM, perform the trouble diagnosis for B209F or B20A0. Refer to "DTC LOGIC " or "DTC LOGIC ".
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition
P1651 STR MTR RELAY
(Starter control relay circuit)
A correlated error is detected for 2 seconds or more between a control signal transmitted from ECM and a feedback signal transmitted from IPDM E/R via CAN communication line.
  • Harness or connectors

    (Between ECM harness connector and IPDM E/R harness connector is shorted to power.)

  • IPDM E/R
  • BCM