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:
Overhaul
1. Precaution
2. Disconnect battery negative terminal
3. Inspect place front wheels facing straight ahead
4. Remove horn button assy
Notice:
if the airbag connector is disconnected with the ignition
switch being at on, dtcs will be recorded.
using a torx socket wrench, loosen the ...
Communication system
Horn system
Location
Problem symptoms table
Inspection
1. Inspect low pitched horn assy
Connect the positive (+) lead from the battery to the terminal
and the negative (–) lead to the horn body, and check
that the horn blows.
If the result is not as specified, replace the ...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...


