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Home >> Toyota >> 2020 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Control System (A25A-FKS) - Diagnostic Codes (8 Of 9)) >> SFI System >> DTC P1542-00: Stop and Start Cranking Time Too Long [10/2023 - ] >> Description

DTC P1542-00: Stop and Start Cranking Time Too Long [10/2023 - ]: Description

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When the engine is being restarted by the stop and start system, if the engine does not start and the start time is long despite the input of the STA signal, a DTC is stored.

DTC No. Detection Item DTC Detection Condition MIL Note
P1542-00 Stop and Start Cranking Time Too Long When the engine is being restarted by the stop and start system, it is detected that the engine speed is less than 400 rpm for 1.38 seconds or more (the start time is too long or the engine has not started) 2 times (2 trip detection logic). Comes on
  • SAE Code: P1542
  • DTC for Mexico Models: Does not apply
Trouble Area
Starter system
  • Battery depletion
  • Starter malfunction
  • Starter circuit
Engine Engine assembly
Ignition system
  • Spark plug
  • Ignition coil assembly
Fuel system
  • Direct fuel injector assembly
  • Port fuel injector assembly
  • Fuel pump (for high pressure side)
  • Fuel pump (for low pressure side)
  • Fuel pump control circuit
  • Fuel suction plate sub-assembly
  • Fuel main valve assembly
  • Fuel line
  • Purge VSV system
  • Fuel quality (existence of foreign matter, degradation)
Intake and exhaust systems
  • EGR system
  • Mass air flow meter sub-assembly
  • Intake system

    (Air leaks or deposit accumulation)

  • Throttle body with motor assembly
  • Air fuel ratio sensor (sensor 1)
  • Air fuel ratio sensor (sensor 2)
  • Cam timing control motor with EDU assembly
  • Cam timing oil control solenoid assembly
  • Variable Valve Timing system (VVT-iE, VVT-i system)
Other control systems
  • ECM
  • Wire harness or connector
  • Knock control sensor
  • Engine coolant temperature sensor
  • Immobiliser system
Engine
  • Water inlet with thermostat sub-assembly
  • Engine assembly
  • Crankshaft position sensor malfunction
High load from another system
  • Air conditioning system
  • Power steering system
  • Electrical load signal system
  • A/T system
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