Toyota Corolla Repair Manual: Inspection procedure
1 Check harness and connector(transmission control switch – body ground)
- Disconnect the transmission control switch connector of shift lever assy.
- measure the resistance according to the value(s) in the table below.
Standard:
2 Inspect transmission control switch
- Measure the resistance according to the value(s) in the table below.
Standard:
3 Check harness and connector(transmission control switch – ecm)
- Connect the transmission control switch connector of shift lever assy.
- disconnect the ecm connector.
- measure the resistance according to the value(s) in the table below.
Standard:
Proceed to next circuit inspection shown on problem symptoms table
Circuit description
The o/d main switch (transmission control switch) is a momentary type switch.
When pressing the o/d main
switch, the o/d off indicator light lights up and the ecm prohibits shifting
into o/d, and ...
Other materials:
Evap monitor (vacuum pressure monitor) (continued)
Preconditions
The monitor will not run unless:
mil is off.
Fuel level is approximately 1/2 to 3/4.
Altitude is 7800 feet (2400 m) or less.*
Engine coolant temperature (ect) is between 40°f and 95°f (4.4 °C and 35
°C).
Intake air temperature (iat) is between 40°f and 95 °f (4 ...
Circuit description
The seat position sensor circuit consists of the airbag sensor assy center
and seat position sensor.
Dtc b1153/25 is recorded when a malfunction is detected in the seat position
sensor circuit.
Wiring diagram
...
Inspection procedure
1 Check tvip ecu
Check that the operation of the tvip function is normal.
Hint:
with this inspection, the tvip ecu cpu can be diagnosed if it works normally or
not.
2 Check wire harness (tvip ecu integration relay)
Disconnect the tvip ecu and integration relay connectors.
ch ...