Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Indicator light circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check security indicator light
- Remove the security indicator.
- check the indicator light, as shown in the illustration and table.
Standard:
2 Check wire harness (tvip ecu security indicator)
- Disconnect the tvip ecu and security indicator connectors.
- check the continuity between the terminals of the tvip ecu connector and security indicator connector, as shown in the illustration and table.
Standard:
3 Check wire harness (security indicator body ground)
- Disconnect the security indicator connector.
- check the continuity between the terminal of the security indicator connector and body ground, as shown in the illustration and table.
Standard:
Check and replace tvip ecu
Other materials:
Body panel sealing areas
Be sure to apply body sealer to the body panel joints and door edges (tip of
outer panel folded part), etc., To waterproof
and rustproof them.
Hint:
apply degreasing agent to a clean cloth and clean the sealer
application areas.
After removing the applied spot sealer from the se ...
Overhaul
1. Drain clutch fluid
2. Remove brake master cylinder sub–assy
3. Remove brake booster assy
4. Disconnect clutch reservoir tube
Loosen the clip and disconnect the clutch reservoir tube
from the clutch master cylinder assy.
Hint:
use a container to catch the fluid.
5. Disconnect ...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...