Toyota Corolla (E120): Replacement
1. Remove engine under cover rh
2. Drain coolant
3. Remove fan and generator v belt

4. Remove generator assy

- Disconnect the wire clamp from the wire clip on the rectifire end frame.
- remove the rubber cap and nut, and disconnect the alternator wire.
- disconnect the alternator connector.

- Remove the 2 bolts and alternator.
5. Remove water pump assy

- Remove the 6 bolts, water pump and o–ring.
6. Install water pump assy

- Place a new o–ring on the timing chain cover.
- install the water pump with the 6 bolts.
Torque:
bolt a 9.0 Nvm (92 Kgf·cm, 80 invlbf) bolt b 11 nvm (113 Kgf·cm, 8 ft·lbf)
7. Install generator assy
Torque:
12 mm head 25 nvm (250 Kgf·cm, 18 ft·lbf)
14 mm head 54 nvm (550 Kgf·cm, 39 ft·lbf)
8. Add coolant
9. Check engine coolant leak
Other materials:
Inspection procedure
1 Inspect ecm(+b voltage)
Turn the ignition switch on.
measure the voltage between the terminals of the e4 and
e6 ecm connectors.
Standard:
2 Check harness and connector(ecm – body ground)
Disconnect the e4 ecm connector.
check the resistance between the wire ...
Terminals of ecu
Oscilloscope wave (*1)
Hint:
terminal: od – gnd
gauge set: 5 v / div, 50 ms / div
condition: during cruise control driving o/d switch on.
...
Circuit description
The crankshaft position sensor (ne signal) consists of a magnet, iron core
and pickup coil.
The ne signal plate (crankshaft position sensor plate) has 34 teeth and is
installed on the crankshaft. The
ne signal sensor generates 34 signals for each engine revolution. This sensor
monitors a p ...


