Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / Malfunction in tachometer
Toyota Corolla (E120): Malfunction in tachometer
Wiring diagram
Inspection procedure
- Check output value of ecm.
- Connect the hand–held tester to dlc3.
- Turn the ignition switch to on and push the hand–held tester main switch on.
- Select the data list mode on the hand–held tester.
2 Inspect combination meter assy
(Reference) inspection using oscilloscope
- check the input signal waveform.
- Remove the combination meter assy with connectors still connected.
- Connect the oscilloscope to the terminals c9–19 of combination meter assy and body ground.
- Start engine.
- Check the signal waveform.
3 Check harness and connector(between ecm and combination meter assy)
- Remove the combination meter.
- check the continuity between terminals 5 (tach) of ecm and c9–19 of combination meter connector.
Standard: there is continuity.
Check and replace ecm
Other materials:
Overhaul
Hint: components:
1. Drain manual transaxle oil (m/t transaxle)
torque: 39.2 Nvm (400 Kgf·cm, 29 ft·lbf)
2. Drain automatic transaxle fluid (a/t transaxle)
torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf)
3. Remove front wheel
4. Remove engine under cover lh
5. Remove front axle hub lh nut
...
Front no.2 Speaker assy
Replacement
Hint: components:
1. Remove front armrest assy lh
2. Remove power window regulator master switch assy (w/ power window)
3. Remove front armrest base panel upper lh (w/o power window)
4. Remove front door window regulator handle assy (w/o power window)
5. Remove front door lower ...
Circuit description
Refer to dtc p0335
Dtc no.
Dtc detection condition
Trouble area
P0016
Deviation in crankshaft position sensor signal and camshaft
position sensor signal (2 trip detection logic)
Mechanical system (timing chain has jumped a tooth, chain
stretch ...