Signal Missing. Intermittent Fault

Signal missing. Intermittent fault

EFI-447 Pulsed secondary air injection system (PAIR) solenoid valve, signal

Checking cables and terminals




- Check solenoid valve and/or engine control module (ECM) connectors for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check cable between solenoid valve terminal 1 and main relay (2/32) terminal 3 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Check cable between solenoid valve terminal 2 and engine control module (ECM) #A37 for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.

Continue - Fault-tracing information
Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking cables and terminals

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