Toyota T100 1996 Service Manual page 442

DI−178
DTC P0136
CIRCUIT DESCRIPTION
Refer to DTC P0125 on page DI−169.
DTC No.
Voltage output of heated oxygen sensor (bank 1 sensor 2)
remains at 0.4 V or more or 0.5 V or less when vehicle is
P0136 driven at 50 km/h (31 mph) or more after the engine is
warmed up.
(2 trip detection logic).
HINT:
Sensor 2 refers to the sensor farther away from the engine body.
WIRING DIAGRAM
Refer to DTC P0125 on page DI−169.
INSPECTION PROCEDURE
1 Are there any other codes (besides DTC P0136) being output?
NO
2 Check for open and short in harness and connector between ECM and heated
oxygen sensor (See page IN−26).
OK
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
Heated Oxygen Sensor Circuit Malfunction
(Bank 1 Sensor 2)
DTC Detecting Condition
YES
NG
− ENGINE (5VZ−FE)
S Heated oxygen sensor
Go to relevant DTC chart.
Repair or replace harness or connector.
Trouble Area
DI0UR−01