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4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS 6E–359 16 1. Using the Tech 2, ignition “On” and engine “Off”. 2. Monitor the “Pedal/Throttle Position” and “Idle Switch” in the data display. Does the Tech 2 indicate correct “Pedal/Throttle — Go to Step 21 Go to Step 17 17 1. Using the Tech 2, ignition “On” and engine “Off”. 2. Monitor the “Pedal/Throttle Position” and “Idle Switch” in the data display. 3. Adjust the accelerator cable or TPS within 0% to 100%. Was the problem solved? — Verify repair Go to Step 18 18 Check the TPS harness for the following conditions. • Check for poor connector connection. • Check for misrouted harness. • Check for any accessory parts which may cause electric interference. If a problem is found, repair as necessary. — Verify repair Go to Step 19 19 Substitute a known good TPS and recheck. — Go to Step 20 Go to Step 31 20 Replace the TPS. — Verify repair — 21 Remove the CKP sensor from the flywheel housing • Objects sticking the CKP sensor. • Objects sticking the CKP sensor pulser. — Verify repair Go to Step 22 22 Check the CKP sensor harness for the following • Check for poor connector connection. • Check for misrouted harness. • Check for any accessory parts which may cause electric interference. If a problem is found, repair as necessary. — Verify repair Go to Step 23 23 Substitute a known good CKP sensor and recheck. — Go to Step 24 Go to Step 25 24 Replace the CKP sensor. — Verify repair — Step Action Value(s) Yes No |