Toyota Corolla (E120): Inspection
1. Inspect water pump assy

- Visually check the drain hole for coolant leakage.
Other materials:
Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite
sufficient warm – up time has
elapsed.
Dtc no
Dtc detection condition
Trouble area
P0128
Condition (a), (b) and (c):
cold start
after engine is warmed up
& ...
Terminals of ecu
1. Inspect integration relay
Disconnect the connector and check the continuity of each terminal of
the disconnected connector.
Standard :
If the result is not as specified, the vehicle’s side may malfunction.
Reconnect the connector and check each terminal.
Standard:
If ...
Circuit description
The airbag front rh sensor circuit consists of the airbag sensor assy center
and airbag front rh sensor.
Dtc b1156/b1157/15 is recorded when a malfunction is detected in the airbag
front rh sensor circuit.
Wiring diagram
...


