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:
Inspection procedure
1 Check wire harness(dlc3 – airbag sensor assy center)
Turn the ignition switch to the lock position.
disconnect the aribag sensor assy center connector.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check wire harness(cg of dl ...
Tire & wheel
Wheel and tire system
Inspection
1. Inspect tire
check the tires for wear and proper inflation pressure.
Cold tire inflation pressure:
Using a dial indicator, check the tire runout.
Tire runout: 3.0 Mm (0.118 In.) Or less
2. Rotate tire
Hint:
see the illustration ...
Check short circuit
If the wire harness is ground shorted as shown in fig. 5,
Locate the section by conducting a resistance check with
the body ground in step (b).
Check the resistance with the body ground.
Disconnect connectors a and c and measure the
resistance between terminals 1 and 2 ...


