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Home >> Toyota >> 2019 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Hybrid Control System (Lithium-Ion Battery) - Diagnostic Codes (5 Of 6)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> DTC P2530-12: IG2 Signal Circuit Short to Auxiliary Battery [06/2020 - ] >> Description

DTC P2530-12: IG2 Signal Circuit Short to Auxiliary Battery [06/2020 - ]: Description

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w/ Smart Key System: 

  1. The hybrid vehicle control ECU assembly compares the IG2 signal to the IG control status signal sent from the certification ECU (smart key ECU assembly) to detect a stuck on malfunction of the IG2 signal.

w/o Smart Key System: 

  1. The hybrid vehicle control ECU assembly compares the IG2 signal to the IG switch signal sent from the main body ECU (multiplex network body ECU) via CAN communication to detect a stuck on malfunction of the IG2 signal.

HINT: 

If DTC P2530-12 is stored, the vehicle will turn off (READY off).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P2530-12 IG2 Signal Circuit Short to Auxiliary Battery The IG2 signal of the hybrid vehicle control ECU assembly and the IG switch signal sent from the main body ECU (multiplex network body ECU) do not match.
(1 trip detection logic)
  • Auxiliary battery
  • Certification ECU (smart key ECU assembly) (w/ Smart Key System)
  • Hybrid vehicle control ECU assembly
  • ECM
  • IG2 NO. 1 relay
  • Wire harness or connector
  • Fusible link block assembly
  • Instrument panel junction block assembly
Does not come on Master Warning:
Comes on