Toyota Corolla Repair Manual: Inspection procedure
Hint
: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air–fuel ratio was lean or rich, etc. At the time of the malfunction.
1 Check fuse(efi fuse)
- Remove the efi fuse from the engine room r/b.
- check for continuity in the efi fuse.
Standard: continuity
- reinstall the efi fuse.
2 Inspect ecm(batt voltage)
- Measure the voltage between the terminals of the e4 and e6 ecm connectors.
Standard:
3 Check harness and connector(ecm – efi fuse, efi fuse – battery)
- Check the harness and the connector between the efi fuse and ecm.
- Remove the efi fuse from the engine room r/b.
- Disconnect the e6 ecm connector.
- Check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- Reinstall the efi fuse.
- check the harness and the connector between the efi fuse and battery.
- Remove the efi fuse from the engine room r/b.
- Disconnect the battery positive terminal.
- Check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the battery positive terminal.
- Reinstall the efi fuse.
Check and replace engine room relay block assy
Monitor description
The battery supplies electricity to the ecm even when the ignition switch is
off. This electricity allows the
ecm store data such as dtc history, freeze frame data, fuel trim values, and
other da ...
Ecm/pcm processor
Dtc p0606 ecm/pcm processor
Monitor description
The ecm continuously monitors its internal circuits. This self–check insures
that the ecm is functioning properly.
If a malfunction is detected, ...
Other materials:
Speed sensor front lh
Replacement
Hint:
replace the rh side by the same procedure as the lh side.
1. Remove front wheel
2. Remove front fender liner lh
3. Remove speed sensor front lh
Disconnect the speed sensor wire harness clamp from
the body.
disconnect the speed sensor connector.
Remo ...
Brake
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove front wheel rh
4. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
5. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove t ...