Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Brake warning light circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect parking brake switch circuit
- Check for open and short circuit in parking brake switch circuit
2 Inspect brake fluid level warning switch circuit
- Check the brake fluid level in reservoir.
- check for open and shot circuit in brake fluid level warning switch circuit
3 Check dtc once more
- Check for open and short circuit in harness and connector between vacuum warning switch and skid control ecu
4 Inspect combination meter assembly(brake warning light circuit)
- Check for open and short circuit in combination meter
5 Check harness and connector(brake actuator – combination meter)
- Check for open and short circuit in harness and connector between brake actuator and combination meter
Check and replace brake actuator assy
Other materials:
Cruise control system
On–vehicle inspection
1. Check play of accelerator auto drive cable assy
Push the wire into the cable so as not to move the throttle
link and put a mark on the position shown in the illustration.
Pull the wire and check the moved distance of the mark.
2. Adjust play in acce ...
How to proceed with troubleshooting
Hint:
carry out troubleshooting in accordance with the procedures on the following
page. Here, only the basic
procedures are shown. Details are provided in the diagnostics section, showing
the most effective methods
for each circuit. Confirm the troubleshooting procedures first for the releva ...
Circuit description
When driving uphill under cruise control, in order to reduce the number of
shifting due to on–off overdrive
operation and to provide smooth driving, when down shifting in the
electronically controlled transmission occurs,
a signal to prevent upshift until the end of the uphill slope is sent ...