Toyota Corolla (E120) 2002–2008 Repair Manual / Heater & air conditioner / Heater control & accessory assy
Toyota Corolla (E120): Heater control & accessory assy
Replacement
1. Remove console panel upper
2. Remove instrument cluster finish panel
3. Remove heater control & accessory assy

- Release the 2 fitting claws and pull out the heater control & accessory assy.

- Using a screwdriver, open the claw of the cable clamp and disconnect the defroster damper control cable.
Notice
:
- be careful not to bend the cable wire.
- If the cable wire bends, the heater control & accessory assy operationality becomes worse.
Hint
: tape the screwdriver tip before use.

- Using a screwdriver, open the claw of the cable clamp and disconnect the air mix damper control cable.
Notice
:
- be careful not to bend the cable wire.
- If the cable wire bends, the heater control & accessory assy operationality becomes worse.
Hint
: tape the screwdriver tip before use.
- disconnect the connector, remove the heater control & accessory assy.
4. Install heater control & accessory assy

- Install the inner cable end of the air mix damper control cable to the heater control lever.
- install the outer cable of the air mix damper control cable to the cable clamp.
Notice
:
- be careful not to bend the cable wire.
- If the cable wire bends, the heater control & accessory assy operationality becomes worse.
Hint
:
- operating the heater control knob and check that it properly stops at both ends of max. Cool and max. Hot and no recoil is identified.
- Check that the outer cable should not be disengaged (moved) from the heater control & accessory assy when the cable is pulled.

- Install the inner cable end of the defroster damper control cable to the heater control lever.
- install the outer cable of the defroster damper control cable to the cable clamp.
Notice
:
- be careful not to bend the cable wire.
- If the cable wire bends, the heater control & accessory assy operationality becomes worse.
Hint
:
- operating the heater control knob and check that it properly stops at both ends of face and def and no recoil is identified.
- Check that the outer cable should not be disengaged (moved) from the heater control & accessory assy when the cable is pulled.
- connect the connector, install the heater control & accessory assy.
Other materials:
Turning on light switch does not light up night time
illumination of radio receiver
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(ill+, ill–)
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
Repair or replace harness or connector ...
Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite
sufficient warm – up time has
elapsed.
Dtc no
Dtc detection condition
Trouble area
P0128
Condition (a), (b) and (c):
cold start
after engine is warmed up
& ...
Precaution
1. Handling precautions on srs airbag system
The vehicle is equipped with srs (supplemental restraint system) such as
the driver airbag and front
passenger airbag. Failure to carry out service operation in correct sequence
could cause the srs to
unexpectedly deploy during servicing, po ...


