4.42
ELECTRONIC FUEL INJECTION
DIAGNOSTIC “BLINK CODES” CHART
Blink
Code
Name
MIL Light
On?
12 BEGIN SEQUENCE --
21 Loss of Synchronization Yes
22 TPS Circuit: Sensor Low Yes
22 TPS Circuit: Sensor High Yes
31 System Voltage Low Yes
31 System Voltage High Yes
41 Air Temp Sensor (IAT): Low Voltage Yes
41 Air Temp Sensor (IAT): High Voltage Yes
42 Engine Temperature Sensor Circuit (ECT): Low Voltage Yes
42 Engine Temperature Sensor Circuit (ECT): High Voltage Yes
44 CPS Circuit Fault Yes
45 Barometric Pressure Sensor: MAP Circuit Low Input Yes
46 Barometric Pressure Sensor: MAP Circuit High Input Yes
47 IAC: Open Load Yes
47 IAC: Short to Ground Yes
51 Injector 1: Open Load / Short Circuit to Ground Yes
51 Injector 1: Short Circuit to Battery Yes
55 Diagnostic Lamp: Open Load Yes
55 Diagnostic Lamp: Short Circuit to Ground Yes
55 Diagnostic Lamp: Short Circuit To Battery Yes
56 Fuel Pump: Open Load / Short Circuit to Ground Yes
56 Fuel Pump: Short Circuit to Battery Yes
58 Cooling Fan: Open Load / Short Circuit to Ground Yes
58 Cooling Fan: Short Circuit to Battery Yes
61 END SEQUENCE --
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