Toyota Corolla Repair Manual: Inspection procedure
1 Inspect cruise control actuator assy
- Inspect the cruise control actuator arm locking operation.
- Turn the ignition switch to off.
- Disconnect the cruise control actuator assy connector.
- Connect the positive (+) lead from the battery to the terminal 3 (l) of cruise control actuator assy and the negative (–) lead to terminal 4 (gnd).
Notice
: do not connect the high tension cables to the wrong battery terminal. You will damage the cruise control actuator assy.
- Move the control plate by hand.
Ok: control plate does not move.
- inspect the cruise control actuator assy operation.
- Turn the ignition switch to off.
- Disconnect the cruise control actuator assy connector.
- Connect the positive (+) lead from the battery to terminals
1 (mo) and 3 (l) of cruise control actuator
assy, connect the negative (–) lead to terminals 2
(mc) and 4 (gnd) of cruise control actuator assy.
Ok: control arm moves to full open side.
- Connect the positive (+) lead from the battery to terminals
2 (mc) and 3 (l) of cruise control actuator
assy, connect the negative (–) lead to terminals 1
(mo) and 4 (gnd) of cruise control actuator assy.
Ok: control arm moves to full close side.
2 Check harness and connector(between cruise control ecu assy and cruise control actuator assy)
- Check for open and short circuit in harness and connector between cruise control ecu assy and cruise control actuator assy (actuator motor)
Check and replace cruise control ecu assy
Circuit description
The circuit detects the rotation position of the actuator control plate and
sends a signal to the cruise control
ecu assy
Wiring diagram
...
Open vehicle speed sensor circuit/ Vehicle speed signal abnormal
Dtc 21 open vehicle speed sensor circuit
Dtc 23 vehicle speed signal abnormal ...
Other materials:
Overhaul
Notice:
when using a vise, do not over tighten.
When installing, coat the parts indicated by the arrows with power
steering fluid .
1. Remove front wheel rh
2. Drain power steering fluid
3. Remove engine under cover rh
4. Remove fan and generator v belt
5. Disconnect oil reservoir to ...
Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm
in order to control the hydraulic
pressure operation, the lock–up relay valve, which then the controls operation
of the lock–up clutch.
Fail safe function:
if the ecm detects a malfunction, it turns the shift solen ...
Overhaul
1. Drain brake fluid
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
2. Remove air cleaner cap sub–assy
3. Remove brake master cylinder sub–assy
disconnect the brake fluid level switch connector from
master cylinder reservoir sub–assy ...