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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P1606-308 - U0424-537) & Circuit Tests) >> Hybrid Control System >> DTC P2532-772: Ignition Switch Run Position Circuit High >> Description

DTC P2532-772: Ignition Switch Run Position Circuit High: Description

The hybrid vehicle control ECU monitors IGSW signals sent from the power source control ECU and detects the following malfunction.

DTC No. INF Code DTC Detection Condition Trouble Area
P2532 772 When IG1 information from the ECUs that are connected to terminal IG1 of the power source control ECU is interrupted, the power source voltage is still applied to terminal IGSW.
  • Wire harness or connector
  • IG2 relay
  • Main Body ECU
  • Hybrid vehicle control ECU
  • Fuse
  • Passenger side junction block
  • Driver side junction block

HINT: 

If DTC P2532-772 is stored, the vehicle will turn off.