HINT:
When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.


Air-fuel ratio (a/f) and heated oxygen (ho2)
sensor heater monitors (front a/f and rear ho2 sensor
type)
Terminals of ecmAir conditioning pressure sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C PRESSURE SENSOR
(a) Install the manifold gauge set.
(b) Disconnect the connector from the A/C pressure
sensor.
(c) Connect the three 1.5 V dry cell batteries' positive
(+) lead to terminal 3 and the negative (-) lead to
terminal 1.
(d) Connect t ...
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the theft deterrent (warning) ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Remove the ECU-B fuse from the engine room J/B.
Measure the resistance.
Standard resistance:
Below 1 Ω
2 CHECK INSTRUMENT PANEL ...
Disposal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
When scrapping a vehicle equipped with the SRS or
disposing of the curtain shield airbag assembly, be sure to
deploy the airbag first in accordance with the procedure
described b ...