Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
1 Vehicle brought to workshop

2 Customer problem analysis

3 Problem symptom confirmation

4 Circuit inspection

5 Repair or replace

6 Confirmation test

7 End
Customer problem analysis check

Other materials:
Engine mechanical
Service data
Torque specification
...
Rear speaker assy
Replacement
Hint: components:
1. Remove rear door opening trim rh
2. Remove rear door opening trim lh
3. Remove bench type rear seat cushion assy( or 72–8)
4. Remove rear seat back assy (fixed type rear seat)
5. Remove rear seat back assy (separated type rear seat)
6. Remove rear seat side ...
Inspection procedure
Hint:
if dtc p0441 (purge flow), p0446 (vsv for ccv or vsv for pressure
switching valve), p0451, p0452
or p0453 is output with dtc p0442 or p0456 , first troubleshoot
dtc p0441, p0446, p0451, p0452 or p0453. If no malfunction is detected,
troubleshoot dtc
p0442 or p0456 next.
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