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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (4 Of 4), Circuit Tests, Symptom Tests >> Electronically Controlled Brake System >> DTC P2530-00: Ignition Switch Run Position Malfunction [12/2023 - ] >> Description

DTC P2530-00: Ignition Switch Run Position Malfunction [12/2023 - ]: Description

Refer to DTC C110E-14.

Refer to DTC C110E-14: Brake Booster Motor "A" Supply Voltage Circuit Short to Ground or Open [12/2023 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority Note
P2530-00 Ignition Switch Run Position Malfunction When communication with the EV control ECU is normal or the vehicle speed is 10 km/h (6 mph) or more, and the IG1 terminal voltage is 10.2 V or more, the IG2 terminal voltage is less than 2.8 V for 4 seconds or more.
  • Open or short in IG2 circuit
  • Improperly connected connector, deformation or corrosion of terminals
  • No. 1 skid control ECU (brake booster with master cylinder assembly)
 Brake Booster A Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly)
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