Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 5, 7, 10.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect hand–held tester to dlc3
Hint
: if the display indicates a communication fault in the tool, inspect dlc3.
4 Check dtc and freeze frame data
Hint
: record or print dtc and freeze frame data, if needed.
5 Clear dtc and freeze frame data
6 Visual inspection
7 Setting check (test) mode diagnosis
8 Problem symptom confirmation
Hint
: if the engine does not start, perform steps 10 and 12 first.
| A | Malfunction does not occur |
| B | Malfunction occurs |
B go to step 10
9 Symptom simulation
10 Dtc check
| A | Malfunction code |
| B | No code |
B go to step 12
11 Dtc chart
Go to step 14
12 Basic inspection
| A | Wrong parts not confirmed |
| B | Wrong parts confirmed |
B go to step 17
13 Problem symptoms table
| A | Wrong circuit confirmed |
| B | Wrong parts confirmed |
B go to step 17
14 Check ecm power source circuit
15 Circuit inspection
| A | Malfunction not confirmed |
| B | Malfunction confirmed |
B go to step 18
16 Check for intermittent problems
Go to step 18
17 Parts inspection
18 Identification of problem
19 Adjustment, repair
20 Confirmation test
End
Other materials:
Replacement
Hint:
installation is according to the reverse order of the removal.
1. Remove rear door weatherstrip rh
2. Remove rear door weatherstrip lh
3. Remove rear seat cushion assy (, 72–8)
4. Remove rear seat back assy (fixed type rear seat)
5. Remove separate type rear seat back assy (separate ...
Replacement
1. Discharge refrigerant from refrigeration system
turn the a/c switch on.
operating the cooler compressor at the engine rpm of approx. 1000
For 5 to 6 min., Circulate the refrigerant
and collect compressor oil remaining in each component into the cooler
compressor as much ...
Wireless remote control/electronic key battery
Replace the battery with a
new one if it is depleted.
As the key may be damaged
if the following procedure is
not performed properly, it is
recommended that key battery
replacement be performed
by your Toyota
dealer.
■If the key battery is depleted
The following symptoms may occur:
The smart ke ...