Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
Hint
: if a normal code is displayed during the dtc check but the trouble still occurs, check the circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting.
The matrix chart is divided into 3 chapters.
- If the instruction ”proceed to next circuit inspection shown on matrix chart” is given in the flow chart for each circuit, proceed to the circuit with the next highest number in the table to continue the check.
- If the trouble still occurs even though there are no abnormalities in any of the other circuits, then check and replace the ecm.
Chapter 1: electronic circuit matrix chart
*1: W/ cruise control
Chapter 2: on–vehicle repair
( : a245e/a246e automatic transaxle repair manual pub. No. Rm941u)
Chapter 3: off–vehicle repair
( : a245e/a246e automatic transaxle repair manual pub. No. Rm941u)
Other materials:
Circuit description
The vapor pressure sensor and the vsv for the canister closed valve (ccv) are
used to detect abnormalities
in the evaporative emission control system. The ecm decides whether there is an
abnormality in the evaporative
emission control system based on the vapor pressure sensor signal.
Dtc p0 ...
Correct driving posture
1 Adjust the angle of the seatback so that you are sitting straight up and so
that you do not have to lean forward to steer.
2 Adjust the seat so that you can depress the pedals fully and so that your arms
bend slightly at the elbow when gripping the steering wheel.
3 Lock the head restraint ...
Inspection
1. Cooler thermistor no.1
Check resistance between terminals 1 and 2 of cooler
thermistor no. 1 At each temperature, as shown in the
chart.
Resistance:
If resistance value is not as specified, replace the sensor.
2. Cooler and accessory assy
Inspect blower switch contin ...