Signal Too High
Signal too high
Checking the status
- Start the engine and run it to normal operating temperature.
Check whether the fault is permanent or intermittent. Read off the signal from the intake camshaft reset valve.
Check that the signal is within its permitted range. The normal value with an idling engine at operating temperature is 400 - 900 mA.
The fault is permanent if the signal is incorrect. The fault is intermittent if the signal is correct.
Continue - Checking the component and wiring
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Checking the component and wiring
Check the cable between engine control module (ECM) terminal #A78 (#B18) and intake camshaft reset valve terminal #2. Check for a short-circuit to supply voltage.
Remedy as necessary.
Other information
- Connecting the breakout box Connecting The Breakout Box, Engine Control Module (ECM)
- Signal specification Signal Specification, Engine Control Module (ECM)
- VVT solenoid Removal and Replacement
- Checking wiring and terminals Checking Wiring and Terminals
Continue - Verification
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Verification
Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off
- Reinstall the connectors, components etc.
- Start the engine and run it to normal operating temperature.
Read off the signal from the (intake) camshaft reset valve.
Check that the signal is within its permitted range. The normal value with an idling engine at operating temperature is 400 - 900 mA.
Is the signal within its permitted range?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFICATION FAILED - Fault-tracing information
VERIFIED - Fault Found
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - Exit Fault-Tracing
No - Attempt New Test
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Attempt New Test - Checking the status
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