Toyota Corolla Repair Manual: On–vehicle inspection
Notice
: ”cold” and ”hot” in these sentences express the temperature of the coils themselves. ”Cold” is from –10 c (14 f) to 50 c (122 f) and ”hot” is from 50 c (122 f) to 100 c (212 f).
1. Inspect ignition coil (with igniter) and spark test
- confirm dtc.
Notice
: if dtc is indicated, carry out troubleshooting in accordance with the procedure on the following dtc.
- check that the spark occurs.
- Remove the ignition coils (with igniter).
- Using a 16 mm (0.63 In) plug wrench, remove the spark plugs.
- Install the spark plugs to each ignition coils (with igniter), and connect the ignition coil connectors.
- Disconnect the 4 injector connectors.
- Ground the spark plugs.
- Check if spark occurs while engine is being cranked.
Notice
:
- be sure to ground the spark plug, when checking.
- Replace the ignition coil when it is given an impact.
- Do not crank the engine for more than 2 seconds.
Hint
: if the spark does not occur, do the test as follow.
- using a 16 mm (0.63 In.) Plug wrench, install the spark plugs.
Torque: 25 nvm (255 Kgf·cm, 18 ft·lbf)
- install the ignition coil with igniter.
Torque: 9.0 Nvm (92 Kgf·cm, 80 in.Vlbf)
Ignition
Ignition system ...
Inspection
1. Spark plug
Notice:
never use a wire brush for cleaning.
Never attempt to adjust the electrode gap on used
spark plug.
Spark plug should be replaced every 192,000 km
(120,000 miles).
...
Other materials:
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 ...
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active test which cha ...
Inspection procedure
1 Check security indicator light
Remove the security indicator.
check the indicator light, as shown in the illustration and
table.
Standard:
2 Check wire harness (tvip ecu security indicator)
Disconnect the tvip ecu and security indicator connectors.
...
