Monitor Description

The number of times the ignition voltage being supplied to the ECM has changed from Low to High is counted while the engine is running. When this occurs more than 5 counts in 5 seconds, this DTC is stored.

DTC No.	DTC Detection Condition	Trouble Area
P2530	Decrease in ignition voltage has been detected 5 counts or more in 5 seconds. (1 trip detection logic):	w/ Smart Key System Open or short in IG2 relay circuit IG2 relay Certification ECU (smart key ECU assembly) ECM w/o Smart Key System Open or short in IG2 relay circuit IG2 relay Ignition or starter switch assembly ECM

DTC No.

DTC Detection Condition

Trouble Area

P2530

Decrease in ignition voltage has been detected 5 counts or more in 5 seconds.
(1 trip detection logic):

w/ Smart Key System

Open or short in IG2 relay circuit
IG2 relay
Certification ECU (smart key ECU assembly)
ECM

w/o Smart Key System

Open or short in IG2 relay circuit
IG2 relay
Ignition or starter switch assembly
ECM