Toyota Corolla (E120) 2002–2008 Repair Manual / Communication system
Toyota Corolla (E120): Communication system
Horn system
Location
Problem symptoms table
Inspection
1. Inspect low pitched horn assy
- Connect the positive (+) lead from the battery to the terminal and the negative (–) lead to the horn body, and check that the horn blows.
If the result is not as specified, replace the horn.
2. Inspect horn relay assy (marking: horn)
- Remove the horn relay from the engine room j/b.
- inspect the horn relay continuity.
Standard:
If the result is not as specified, replace the relay.
Other materials:
Selecting shift ranges in
the D position
To drive using temporary shift
range selection, operate the "-"
or "+" paddle shift switch.
When the "-" paddle shift switch
is operated, the shift range
switches to a range that enables
engine braking force that is suitable
to driving conditions. When
the "+" paddle shift switch is
operated, the s ...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Circuit description
When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in
high concentrations. If this hc
concentration is high enough, there could be an increase in exhaust emissions
levels. High concentrations
of hc passing through the catalyst also cause to temperature of the catalyst to ...