2001 TOYOTA SEQUOIA 4wd actuator

checking oil climate settings key fob battery fuel cap width AUX

Page 249 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSENGINE
DI±55
249 Author: Date:
2005 SEQUOIA (RM1146U)DIST DTC CLEAR
Distance after DTC cleared:
Min.: 0 km/h, Max.: 65535 km/hEquivalent to drive distance after
DTCs were erased
WU

± DIAGNOSTICSENGINE
DI±55
249 Author: Date:
2005 SEQUOIA (RM1146U)DIST DTC CLEAR
Distance after DTC cleared:
Min.: 0 km/h, Max.: 65535 km/hEquivalent to drive distance after
DTCs were erased'
WU CYC DTC CLEARWarm±up cycle after DTC cleared:
Min.: 0, Max.: 255'Number of warm±up cycles after
DTC cleared
MODEL CODEModel code:'Identifying the model code:
UCK30 (2WD), UCK40 (4WD)
ENGINE TYPEEngine type:'Identifying the engine type:
2UZFE
CYLINDER NUMBERCylinder number:
Min.: 0, Max.: 255'Identifying the cylinder number:
8
TRANSMISSIONTransmission type:'Identifying the transmission type:
ECT(5AT)
DESTINATIONDestination'Identifying the destination:
A (America)
MODEL YEARModel year:
Min.: 0, Max.: 255'Identifying the model year:
200#
SYSTEMSystem identification'Identifying the engine system:
GASLIN (gasoline engine)
AI STATUSAI operation prohibit:
OK or NGOK
*1: If no idling conditions are specified, the transmission gear selector lever should be in the N or P position,
and the A/C switch and all accessory switches should be OFF.
2. ACTIVE TEST
HINT:
Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve),
and actuators, to be operated without removing any parts. The ACTIVE TEST can be performed with a
hand±held tester. Performing an ACTIVE TEST as the first step of troubleshooting is one method of shorten-
ing diagnostic time.
DATA LIST can be displayed during ACTIVE TESTs.
(a) Connect a hand±held tester to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the tester ON.
(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
(e) Perform the ACTIVE TEST by referring to the table below.
Hand±held Tester DisplaysTest DetailsControl RangesDiagnostic Notes
INJ VOLChange injection volumeBetween ±12 % and 25 %
All injectors tested at the same
time
Perform test at less than 3,000
rpm
Injection volume can be changed
in 1 % graduations within control
range
A/F CONTROLChange injection volumeLower by 12.5 % or increase by 25
%
Perform test at less than 3,000
rpm
A/F CONTROL enables checking
and graphing of A/F (Air Fuel Ra-
tio) sensor and Heated Oxygen
(HO2) sensor voltage outputs
To conduct test, select following
menu items: ACTIVE TEST / A/F
CONTROL / USER DATA / AFS
B1S1 and O2S B1S2, and press
YES and ENTER followed by F4
EVAP VSV (ALONE)Activate EVAP VSV controlON/OFF±