2006 TOYOTA RAV4 Service Repair Manual

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Page 473 of 2000

TOYOTA RAV4 2006 Service Repair Manual 2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–19
ES
A103814E05

Page 474 of 2000

TOYOTA RAV4 2006 Service Repair Manual ES–202AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
A103815E03

Page 475 of 2000

TOYOTA RAV4 2006 Service Repair Manual 2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–21
ES
CHECKING MONITOR STATUS
The purpose of the monitor result (mode 06) is to allow
access to the results of on-board diagnostic monitoring tests

2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–21
ES
CHECKING MONITOR STATUS
The purpose of the monitor result (mode 06) is to allow
access to the results of on-board diagnostic monitoring tests
of specific components/systems that are not continuously
monitored. Examples are catalysts, evaporative emissions
(EVAP) and thermostats.
The monitor result allows the OBD II scan tool to display the
monitor status, test value, minimum test limit and maximum
test limit. These data are displayed after the vehicle has been
driven to run the monitor.
When the test value is not between the minimum and
maximum test limits, the ECM (PCM) interprets this as a
malfunction. If the test value is on the borderline of the test
limits, the component is likely to malfunction in the near
future.
Perform the following instruction to view the monitor status.
Although this instruction refers to the Lexus/Toyota diagnostic
tester, it can be checked using a generic OBD II scan tool.
Refer to your scan tool operator's manual for specific
procedural information.
1. PERFORM MONITOR DRIVE PATTERN
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch and the tester ON.
(c) Clear the DTCs (see page ES-35).
(d) Run the vehicle in accordance with the applicable
drive pattern described in READINESS MONITOR
DRIVE PATTERN (see page ES-19). Do not turn the
ignition switch OFF.
NOTE:
The test results will be lost if the ignition
switch is turned OFF.
2. ACCESS MONITOR RESULT
(a) Select the following items from the intelligent tester
menus: DIAGNOSIS, ENHANCED OBD II,
MONITOR INFO and MONITOR RESULT. The
monitor status appears after the component name.
• INCMP: The component has not been monitored
yet.
• PASS: The component is functioning normally.
• FAIL: The component is malfunctioning.
(b) Confirm that the component is either PASS or FAIL.
(c) Select the component and press ENTER. The
accuracy test value appears if the monitor status is
either PASS or FAIL.
3. CHECK COMPONENT STATUS
(a) Compare the test value with the minimum test limit
(MIN LIMIT) and maximum test limit (MAX LIMIT).

Page 476 of 2000

TOYOTA RAV4 2006 Service Repair Manual ES–222AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(b) If the test value is between the minimum and
maximum test limits, the component is functioning
normally. If not, the component is malfunct

ES–222AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(b) If the test value is between the minimum and
maximum test limits, the component is functioning
normally. If not, the component is malfunctioning.
The test value is usually not near the test limits. If
the test value is near the test limits, the component
is likely to malfunction in the near future.
HINT:
The monitor result might on rare occasions be
PASS even if the malfunction indicator lamp (MIL) is
illuminated. This indicates the system malfunctioned
on a previous driving cycle. This might be caused by
an intermittent problem.
4. MONITOR RESULT INFORMATION
If you use a generic scan tool, multiply the test value by
the scaling value listed below.
A/F Sensor (Sensor 1)
HO2 Sensor (Sensor 2)
Catalyst
EVAP
Misfire
Monitor ID Test ID Scaling Unit Description
$01 $8E Multiply by 0.001 V A/F sensor deterioration level
$01 $91 Multiply by 0.004 mA A/F sensor current
Monitor ID Test ID Scaling Unit Description
$02 $07 Multiply by 0.001 V Minimum sensor voltage
$02 $08 Multiply by 0.001 V Maximum sensor voltage
$02 $8F Multiply by 0.0003 g Maximum oxygen storage capacity
Monitor ID Test ID Scaling Unit Description
$21 $A9 Multiply by 0.0003 No dimension Oxygen storage capacity of catalyst
Monitor ID Test ID Scaling Unit Description
$3D $C9 Multiply by 0.001 kPa Test value for small leak (P0456)
$3D $CA Multiply by 0.001 kPa Test value for gross leak (P0455)
$3D $CB Multiply by 0.001 kPa Test value for leak detection pump stuck OFF (P2401)
$3D $CD Multiply by 0.001 kPa Test value for leak detection pump stuck ON (P2402)
$3D $CE Multiply by 0.001 kPa Test value for vent valve stuck OFF (P2420)
$3D $CF Multiply by 0.001 kPa Test value for vent valve stuck ON (P2419)
$3D $D0 Multiply by 0.001 kPa Test value for reference orifice low flow (P043E)
$3D $D1 Multiply by 0.001 kPa Test value for reference orifice high flow (P043F)
$3D $D4 Multiply by 0.001 kPa Test value for purge VSV stuck closed (P0441)
$3D $D5 Multiply by 0.001 kPa Test value for purge VSV stuck open (P0441)
$3D $D7 Multiply by 0.001 kPa Test value for purge flow insufficient (P0441)
Monitor ID Test ID Scaling Unit Description
$A1 $0B Multiply by 1 TimeExponential Weighted Moving Average (EWMA) misfire for all
cylinders:
EWMA = Total misfire counts for last driving cycle * 0.1 + Last
EWMA * 0.9
Misfire counts for last 10 driving cycles - Total
$A1 $0C Multiply by 1 TimeIgnition switch ON: Total misfire counts for last driving cycle
Engine running: Total misfire counts for current driving cycle
Misfire counts for last or current driving cycle - all cylinders

Page 477 of 2000

TOYOTA RAV4 2006 Service Repair Manual 2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–23
ES
$A2 $0B Multiply by 1 TimeExponential Weighted Moving Average (EWMA) misfire for
cylinder 1:
EWMA = Total misfire counts for last driving cycle

Page 478 of 2000

TOYOTA RAV4 2006 Service Repair Manual ES–242AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
READINESS MONITOR DRIVE
PAT T E R N
1. PURPOSE OF READINESS TESTS
• The On-Board Diagnostic (OBD II) system is designed to
monitor the perfo

ES–242AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
READINESS MONITOR DRIVE
PAT T E R N
1. PURPOSE OF READINESS TESTS
• The On-Board Diagnostic (OBD II) system is designed to
monitor the performance of emission related components,
and indicate any detected abnormalities with DTC
(Diagnostic Trouble Codes). Since various components
need to be monitored during different driving conditions,
the OBD II system is designed to run separate monitoring
programs called Readiness Monitors.
• The intelligent tester's software must be version 9.0 or
newer to view the Readiness Monitor Status. To view the
status, select the following menu items: DIAGNOSIS /
ENHANCED OBD II / MONITOR INFO / MONITOR
STATUS.
• When the Readiness Monitor status reads COMPL
(complete), the necessary conditions have been met for
running the performance tests for that Readiness Monitor.
• A generic OBD II scan tool can also be used to view the
Readiness Monitor status.
HINT:
Many state Inspection and Maintenance (I/M) programs
require a vehicle's Readiness Monitor status to show COMPL
before beginning emission tests.
The Readiness Monitor will be reset to INCMPL (incomplete)
if:
• The ECM has lost battery power or blown a fuse.
• DTCs have been cleared.
• The conditions for running the Readiness Monitor have not
been met.
If the Readiness Monitor status shows INCMPL, follow the
appropriate Readiness Monitor Drive Pattern to change the
status to COMPL.
CAUTION:
Strictly observe posted speed limits, traffic laws, and
road conditions when performing these drive patterns.
NOTICE:
These drive patterns represent the fastest method of
satisfying all conditions necessary to achieve complete
status for each specific Readiness Monitor.
In the event of a drive pattern being interrupted (possibly
due to factors such as traffic conditions), the drive
pattern can be resumed. In most cases, the Readiness
Monitor will still achieve complete status upon
completion of the drive pattern.
To ensure completion of the Readiness Monitors, avoid
sudden changes in vehicle load and speed (driving up
and down hills and/or sudden acceleration).

Page 479 of 2000

TOYOTA RAV4 2006 Service Repair Manual 2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–25
ES
2. CATALYST MONITOR (ACTIVE AIR-FUEL RATIO
CONTROL TYPE)
(a) Preconditions
The monitor will not run unless:
• The MIL is OFF.
(b) Drive Patte

Page 480 of 2000

TOYOTA RAV4 2006 Service Repair Manual ES–262AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(b) Monitor Conditions
(1) Turn the ignition switch OFF and wait for 6
hours.
HINT:
Do not start the engine until checking Readiness
Monitor s

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