Toyota RM787U, Руководство по обслуживанию и ремонту

Страница: 647 / 1976

- DIAGNOSTICS ENGINE
DI-109
263
Author: Date:
2001 SIENNA (RM787U)
DTC P1133 A/F Sensor Circuit Response Malfunction
(Bank 1 Sensor 1)
DTC P1153 A/F Sensor Circuit Response Malfunction
(Bank 2 Sensor 1)
CIRCUIT DESCRIPTION
Refer to DTC P0125 on page DI-42 .
DTC No. DTC Detecting Condition Trouble Area
P1133
P1155
After engine is warmed up and during vehicle driving at
engine speed 1,400 rpm or more and vehicle speed 60
km/h (38 mph) or more, if response characteristic of A/F
sensor becomes deteriorated
(2 trip detection logic)
A/F sensors (bank 1, 2 sensor 1)
INSPECTION PROCEDURE
HINT:
Read freeze frame data using TOYOTA hand-held tester or OBD II scan tool. Because freeze frame records
the engine conditions when the malfunction is detected, when troubleshooting it is useful for determining
whether the vehicle was running or stopped, the engine warmed up or not, the air-fuel ratio lean or rich, etc.
at the time of the malfunction.
1 Are there any other codes (besides DTC P1133, P1153) being output ?
YES Go to relevant DTC chart.
NO
DI4F7-02