Signal Too High. Intermittent Fault

Signal too high. Intermittent fault

Checking the connectors








- Ignition off
- Check the idle air control (IAC) valve and throttle position (TP) sensor connectors for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault. Check for damage carefully
- Check the throttle body (TB) for play between the throttle spindle and the throttle position (TP) sensor according to Replacing throttle position (TP) sensor Service and Repair
- Check the intake system for air leakage according to intake system/leak test Intake System/Leak Test
- Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- For information about signals, see Signal specification EMS2000
- To replace the idle air control (IAC) valve, see Replacing the idle air control (IAC) valve Service and Repair
- To replace the throttle position (TP) sensor, see Replacing throttle position (TP) sensor Service and Repair.





Select "Continue" when the fault has been remedied.

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 the connectors

FAULT FOUND - DONE

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