Toyota Corolla Repair Manual: Inspection procedure
Hint
:
the switch described in this text is a switch for transmitting signals which is
built in the door control transmitter.
1 Check wireless door lock control functions


Normal
2 Replace transmitter battery with normal one
- After replacing the transmitter battery with a new or normal one, check
that the doors can lock and
unlock by using the transmitter lock/unlock switch.


Replace transmitter battery
3 Check wireless door lock control functions
- Check if unlock–lock operates in standard operation.
Notice
:
standardized test procedure: press the transmitter switch for 1 second,
directing the beam to driver
side door outside handle from a distance of 1 m (39.4 In.). The transmitter
should be pointed directly
at the door handle, i.E at 90 angle to the vehicle body.


4 Confirm room lamp on
- Check that the wireless door lock buzzer sounds.

5 Switch to self–diagnostic mode
- Switch to self–diagnostic mode by operating the ignition key cylinder.
- Put the vehicle under the vehicle’s initial condition , insert the key into the ignition
key cylinder and remove it.
- Within 5 seconds after the key is removed (step 1), insert the key into
the ignition key cylinder
(ignition key off) and perform the following once: turn the ignition switch
to on and return it
to off.
- Within 30 seconds after the ignition switch is returned to off (step 2),
perform the following 9
times: turn the ignition switch to on and return it to off.
Notice
:
if operation has failed, the system will return to normal mode.
Hint
:
- turning the ignition switch on after step 3 has been completed will
end self–diagnostic mode.
- Do not lock or unlock doors during self–diagnostic mode.

- Check that the system has switched to self–diagnostic
mode by the blinking frequency of the room lamp.


6 Check by self–diagnostic mode
- Inspect the diagnosis outputs when the door control transmitter switch
is held down (the diagnosis
outputs can be checked with the outputs of the room lamp).
Hint
:
- in the case of a reception of the normal wave of the door lock and
unlock switch (room lamp blinking),
go to step a.
- In the case of an unmatching recognition code (room lamp on), go to
step b.
- In the case of no diagnosis outputs (room lamp off), go to step c.



7 Register recognition code
- Check that the system can switch to rewrite mode or add mode and whether
a recognition code can
be registered.


Normal
8 Check response of door control receiver
- When a new or normal door control transmitter switch for the same type
vehicle is held down, check
that a diagnosis of unmatching recognition code is output.


Replace door control transmitter
9 Confirm input method of self–diagnostic mode
- When the method for switching the system to self–diagnostic mode works,
proceed to a.
- when the method for switching the system to self–diagnostic mode
does not work, proceed to b.


10 Inspect unlock warning switch assy

- Remove the key unlock warning switch.
- inspect the key unlock warning switch continuity, as
shown in the illustration and table.
Standard:



11 Check wire harness (unlock warning switch @ instrument panel
j/b and body ground)

- Disconnect the unlock warning switch and instrument
panel j/b connectors.
- check the continuity between the terminals of the unlock
warning switch and instrument panel j/b connectors, as
shown in the illustration and table.
Standard:



12 Check wire harness (door control receiver body ground)

- Disconnect the connector from the door control receiver.
- check the voltage and continuity between the terminal of
the door control receiver connector and the body ground,
as shown in the illustration and table.
Standard:



13 Check door control receiver

- Reconnect the connector to the door control receiver, and
check the voltage between the terminal and the body
ground, as shown in the illustration and table.
Standard:



14 Check wire harness (door control receiver instrument panel
j/b) (door control receiver or instrument panel j/b body
ground)

- Disconnect the door control receiver and instrument panel
j/b connectors.
- check the continuity between the terminals of the door
control receiver and instrument panel j/b connectors, as
shown in the illustration and table.
Standard:



15 Replace door control receiver with normal one


Replace door control receiver
16 Replace integration relay with normal one


Replace integration relay
The door control receiver receives a signal from the transmitter and sends
this signal to the integration relay.
Then, the integration relay controls door operation by sending a door
lock/unloc ...
Other materials:
Power point socket assy
Replacement
Hint: components:
1. Remove floor shift shift lever knob sub–assy (m/t transaxle)
2. Remove console panel upper
3. Remove power point socket assy
Turn the socket in the circumference direction as shown
the illustration, disengage the claw between the socket
and the power ...
Replacement
Hint:
installation is in the reverse order of the removal. But the installation is
indicated only when it has a point.
1. Remove radiator grille sub–assy
Remove the 2 bolts and clip.
using a screwdriver, remove the radiator grille.
Hint:
tape the screwdriver tip before use.
...
Engine assembly
Inspection
1. Inspect coolant
2. Inspect engine oil
3. Inspect battery
4. Inspect air cleaner filter element sub–assy
5. Inspect spark plug
6. Inspect fan and generator v belt
Hint:
you don’t need to check the belt deflection because auto tensioner is adopted.
7. Inspect ignition timing ...