Toyota Corolla Repair Manual: How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no output: go to step 7
There is output: go to step 8
7 Problem symptoms table
Check for fluid leakage and go
to step 10
8 Dtc chart
9 Circuit inspection
Hint
: when 2 or more dtc’s are recorded, and the problem is not identified, perform circuit inspection of the other dtc’s.
10 Identification of problem
11 Repair
12 Comfirmation test
End
Hint
: step 3, 6, 9, 12: diagnostic steps permitting the use of the hand–held tester.
Fail safe function:
when a failure occurs in the abs system, the abs warning light is lit and the abs operation is prohibited.
In addition to this, when the failure which disables the ebd operation occurs, the brake warning light is lit as well and the ebd operation is prohibited.
Other materials:
Turning on light switch does not light up night time
illumination of radio receiver
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(ill+, ill–)
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
Repair or replace harness or connector ...
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 ...
Overhaul
1. Remove cylinder block water drain cock sub–assy
Remove the cylinder block water drain cock from the cylinder
block.
2. Inspect connecting rod thrust clearance
Using a dial indicator, measure the thrust clearance while
moving the connecting rod back and forth.
Standard thr ...