Faulty Signal. Intermittent Fault
Faulty signal. Intermittent fault
Checking wiring
Check the engine control module (ECM) and heated oxygen sensor (HO2S) connectors for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
Check in particular for damage, or loose terminal pins.
Check the signal cable between engine control module (ECM) terminals 76 and 19 and knock sensor (KS) terminals 2 and 3 for an intermittent open-circuit and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
Check signal cable between engine control module (ECM) terminal 51 and knock sensor (KS) terminal 1 for an intermittent short-circuit to ground and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults , for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults and for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- To replace the knock sensor (KS), see Replacing the knock sensor (KS) Service and Repair.
Select Continue.
Continue - 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 wiring
FAULT FOUND - DONE
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