Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Mass or volume air flow circuit
range/performance problem
Toyota Corolla (E120): Mass or volume air flow circuit range/performance problem
Dtc p0101 mass or volume air flow circuit range/performance problem
Other materials:
Bluetooth® phone message function
Received messages can be forwarded from the connected Bluetooth® phone, enabling
checking and replying using the multimedia system.
Depending on the type of Bluetooth® phone connected, received messages may not
be transferred to the message inbox.
If the phone does not support the message fu ...
System description
The ecm uses the signals from the throttle position sensor, air–flow meter
and crankshaft position sensor
to monitor the engagement condition of the lock–up clutch.
Then the ecm compares the engagement condition of the lock–up clutch with the
lock–up schedule in the
ecm memory to de ...
Inspection procedure
1 Check un–lock warning switch assy
Disconnect the key unlock warning switch connector.
check the continuity between the terminals of the key unlock
warning switch connector, as shown in the illustration
and table.
Standard:
2 Check wire harness (tvip ecu unlock warni ...


