General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item	Detecting Condition	Possible Cause
DTC Strategy	Circuit low voltage	Related fuse blown or missing Open or short to ground in power supply or control harness Contact resistance in connectors Faulty HO2S
Enable Conditions	10V < Battery voltage < 16V 2% < Heater power < 98%
Threshold Value	Short to ground
Diagnostic Time	60 sec. continuous
Fail Safe