Heated Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1) - Toyota T100 1996 Service Manual

DTC P0130
CIRCUIT DESCRIPTION
Refer to DTC P0125 on page DI−44.
DTC No.
Voltage output of heated oxygen sensor remains at 0.4 V or
P0130 more or 0.55 V or less, during idling after engine is warmed
up (2 trip detection logic)
HINT:
Sensor 1 refers to the sensor closer to the engine body.
The heated oxygen sensor's output voltage and the short−term fuel trim value can be read using the
OBD II scan tool or TOYOTA hand−held tester.
WIRING DIAGRAM
Refer to DTC P0125 on page DI−44.
CONFIRMATION DRIVING PATTERN
Vehicle Speed
50 ∼ 65 km/h
(31 ∼ 40 mph)
Idling
IG SW OFF
(1) Connect the TOYOTA hand−held tester to the DLC3.
(2) Switch the TOYOTA hand−held tester from normal mode to check mode (See page DI−13).
(3) Start the engine and warm it up with all the accessory switches OFF.
(4) Drive the vehicle at 50 − 65 km/h (31 − 40 mph) for 1 − 3 min. to warm up the heated oxygen sensor.
(5) Let the engine idle for 1 min.
HINT:
If a malfunction exists, the MIL will light up during step (5).
NOTICE:
If the conditions in this test are not strictly followed, detection of the malfunction will not be possible.
If you do not have a TOYOTA hand−held tester, turn the ignition switch OFF after performing steps
(3) to (5), then perform steps (3) to (5) again.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
Heated Oxygen Sensor Circuit Malfunction
(Bank 1 Sensor 1)
Detection ItemDTC Detecting Condition
(3)
(1)(2)
− ENGINE (3RZ−FE)
S Heated oxygen sensor
S Fuel trim malfunction
(4)
1 ∼ 3 min.
Trouble AreaTrouble Area
(5)
1 min. Time
DI−47
DI0TK−02
FI7130