2001 TOYOTA HIGHLANDER Service Repair Manual

ECO mode navigation fuse box power steering fluid maintenance brake fluid

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Page 1441 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual A85255
Pressure Gauge
Pressure
B06546
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-343
533 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
28 REPLACE FUEL TANK CAP ASSY
HINT:
When installing the fuel

Page 1442 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual A85254
Purge VSV
05-344
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
534 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
31 REPLACE VACUUM SWITCHING VALVE ASSY NO.1(PURGE VSV)
(a) Disconnect the connec

Page 1443 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual - DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-345
535 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
37 PERFORM EVAP SYSTEM CHECK(AUTO OPERATION)
NOTICE:
In the EVAP SYSTEM CHECK (AUTO OPERATION), t

Page 1444 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual 05-346
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
536 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
Monitor Confirmation
HINT:
After a repair, check Monitor Status by performing the Key-Off Monitor

05-346
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
536 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
Monitor Confirmation
HINT:
After a repair, check Monitor Status by performing the Key-Off Monitor Confirmation and Purge Flow Monitor
Confirmation described below.
1. KEY-OFF MONITOR CONFIRMATION
(a) Preconditions
The monitor will not run unless:
The vehicle has been driven for 10 minutes or more (in a city area or on a free way)
The fuel tank is less than 90% full
The altitude is less than 8,000 ft (2,400 m)
The Engine Coolant Temperature (ECT) is between 4.4C and 35C (40F and 95F)
The Intake Air Temperature (IAT) is between 4.4C and 35C (40F and 95F)
The vehicle remains stationary (the vehicle speed is 0 mph [0 km/h])
(b) Monitor Conditions
(1) Allow the engine to idle for at least 5 minutes.
(2) Turn the ignition switch OFF and wait for 6 hours (8 or 10.5 hours).
HINT:
Do not start the engine until checking MONITOR STATUS. If the engine is started, the steps described above
must be repeated.
(c) Monitor Status
(1) Connect a hand-held tester to the DLC3.
(2) Turn the ignition switch ON and turn the tester ON.
(3) On the tester, select the following menu items: DIAGNOSIS / ENHANCED OBD II / MONITOR
STATUS.
(4) Check the Monitor Status displayed on the tester.
HINT:
If INCMP is displayed, the monitor is not completed. Make sure that the preconditions have been met, and
perform the Monitor Conditions again.
2. PURGE FLOW MONITOR CONFIRMATION (P0441)
HINT:
Perform this monitor confirmation after the Key-Off Monitor Confirmation shows COMPL (complete).
(a) Preconditions
The monitor will not run unless:
The vehicle has been driven for 10 minutes or more (in a city area or on a free way)
The ECT is between 4.4C and 35C (40F and 95F)
The IAT is between 4.4C and 35C (40F and 95F)
(b) Monitor Conditions
(1) Release the pressure from the fuel tank by removing and reinstalling the fuel tank cap.
(2) Warm the engine up until the ECT reaches more than 75C (167F).
(3) Increase the engine speed to 3,000 rpm once.
(4) Allow the engine to idle and turn A/C ON for 1 minute.
(c) Monitor Status
(1) Turn the ignition switch OFF (where ON or the engine is running).
(2) Connect a hand-held tester to the DLC3.
(3) Turn the ignition switch to ON and turn the tester ON.
(4) On the tester, select the following menu items: DIAGNOSIS / ENHANCED OBD II / MONITOR
STATUS.
(5) Check the Monitor Status displayed on the tester.

Page 1445 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual - DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-347
537 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
HINT:
If INCMP is displayed, the monitor is not completed. Make sure that the preconditions have b

- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-347
537 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
HINT:
If INCMP is displayed, the monitor is not completed. Make sure that the preconditions have been met, and
perform the Monitor Conditions again.
MONITOR RESULT
Refer to page 05-26 for detailed information.
The test value and test limit information are described as shown in the following table. Check the monitor
result and test values after performing the monitor drive pattern (Refer to ºConfirmation Monitorº).
TID (Test Identification Data) is assigned to each emissions-related component.
TLT (Test Limit Type):
If TLT is 0, the component is malfunctioning when the test value is higher than the test limit.
If TLT is 1, the component is malfunctioning when the test value is lower than the test limit.
CID (Component Identification Data) is assigned to each test value.
Unit Conversion is used to calculate the test value indicated on generic OBD ll scan tools.
(d) Key - off
TID $02: EVAP system (Key-off monitor)
TLTCIDUnit ConversionDescription of Test DataDescription of Test Limit
1$01Multiplied by 0.0156 subtract 2
(kPa)Test value for small leak (P0456):
Refer to pressure D*Malfunction criteria (0 kPa)
1$02Multiplied by 0.0156 subtract 2
(kPa)Test value for gross leak (P0455):
Refer to pressure E*Malfunction criteria (0 kPa)
1$03Multiplied by 0.0156 subtract 2
(kPa)Test value for vacuum pump stuck OFF
(P2401):
Refer to pressure A*
Malfunction criteria (0 kPa)
1$04Multiplied by 0.0156 subtract 2
(kPa)Test value for vacuum pump stuck ON
(P2402):
Refer to pressure A*
Malfunction criteria (0 kPa)
1$05Multiplied by 0.0156 subtract 2
(kPa)Test value for vent valve stuck OFF (vent)
(P2420):
Refer to pressure C*
Malfunction criteria (0 kPa)
1$06Multiplied by 0.0156 subtract 2
(kPa)Test value for vent valve stuck ON (closed)
(P2419):
Refer to pressure A*
Malfunction criteria (0 kPa)
1$07Multiplied by 0.0156 subtract 2
(kPa)Test value for 0.02 inch orifice low flow
(P043E):
Refer to pressure B*
Malfunction criteria (0 kPa)
1$08Multiplied by 0.0156 subtract 2
(kPa)Test value for 0.02 inch orifice high flow
(P043F):
Refer to pressure A*
Malfunction criteria (0 kPa)
1$11Multiplied by 0.0156 subtract 2
(kPa)Test value for purge VSV stuck close
(P0441):
Refer to pressure F*
Malfunction criteria (0 kPa)
1$12Multiplied by 0.0156 subtract 2
(kPa)Test value for purge VSV stuck open
(P0441):
Refer to pressure E*
Malfunction criteria (0 kPa)
1$13Multiplied by 0.0156 subtract 2
(kPa)Test value for purge flow (P0441):
Refer to pressure G*Malfunction criteria (0 kPa)
* Pressures A to G are indicated as shown in the diagram below.

Page 1446 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual G38136
Key-off Monitor
Purge VSV
Vent Valve
Atomosphere (0 kPa)
Criterion 1 (-1.2 kPa)
Criterion 5 (-4.3 kPa)
Elapsed Time (Seconds)
104EVAP Pressure
(Reference) PumpMonitor Start
ON (Open)
ON (Clos

Page 1447 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual 05ESR-05
05-42
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
232 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
FAIL-SAFE CHART
If any of the following codes are recorded, the ECM enters fail-safe mode

05ESR-05
05-42
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
232 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
FAIL-SAFE CHART
If any of the following codes are recorded, the ECM enters fail-safe mode.
DTC No.Fail-Safe OperationFail-Safe Deactivation Conditions
P0031
P0032
P0037
P0038
Turn off heaterIgnition switch OFF
P0100
P0102
P0103Ignition timing is calculated from engine speed and throttle
angleºPassº condition detected
P0110
P0112
P0113
Intake air temperature is fixed at 20°C (68°F)ºPassº condition detected
P0115
P0116
P0117
P0118
Engine coolant temperature is fixed at 80°C (176°F)ºPassº condition detected
P0120
P0121
P0122
P0123
P0220
P0222
P0223
P0604
P0606
P0607
P0657
P2102
P2103
P2111
P2112
P2118
P2119
P2135
If Electronic Throttle Control System (ETCS) has malfunc-
tion, ECM cuts off current to throttle control motor. Throttle
control valve returns to predetermined opening angle
(approximately 16) by force of return spring. ECM then
adjusts engine output by controlling fuel injection (intermit-
tent fuel-cut) and ignition timing in accordance with acceler-
ator pedal opening angle to enable vehicle to continue at
minimal speed.
If accelerator pedal is depressed firmly and slowly, vehicle
can be driven slowly. If accelerator pedal is depressed
quickly, vehicle may speed up and slow down erratically.
ºPassº condition is detected and then ignition switch is turned
OFF, fail-safe operation will stop and system will return to
normal condition
P0325
P0327
P0328
Maximum timing retardationIgnition switch OFF
P0351
P0352
P0353
P0354
Fuel is cutºPassº condition detected
P2120
P2121
P2122
P2123
P2125
P2127
P2128
P2138Accelerator pedal position sensor has two (main and sub)
sensor circuits. If malfunction occurs in either of sensor
circuits, ECM detects abnormal signal voltage difference
between two sensor circuits and switches to limp mode. In
limp mode, remaining circuit is used to calculate accelerator
pedal opening to allow vehicle to continue driving.
If both circuits malfunction, ECM regards opening angle of
accelerator pedal to be fully closed. In this case, throttle
valve will remain closed as if engine is idling.
ºPassº condition is detected and then ignition switch is turned
OFF, fail-safe operation will stop and system will return to
normal condition

Page 1448 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual A90307
AM2
Main
StarterCircuit Opening Relay
PNP Switch ST1EFI Relay
ALT
Battery AM1ECM
NE STAMREL
IGSW EFI NO. 1
Ignition Switch
AM1
AM2Fuel Pump
ST2IG2IGN
(NE Signal) (STA Signal)FC
Tr
STARTER
START

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