1999 TOYOTA CAMRY stop start

Toyota Supports ASE CertificationPage 1 of 1
AC002±00
Title:
A/C COMPRESSOR MAINTENANCE FOR
STORED VEHICLES
Models:
All Models
Technical Service
BULLETIN
July 21, 2000

When a vehicle is stored for a long period (more than one month), the volume of oil
in the A/C compressor may decrease due to oil flow into the condenser, pipes, etc.
If the A/C system is turned on at high engine RPM after a long storage period, A/C
compressor damage may result.
To minimize the possibility of damage to the A/C compressor while storing a vehicle,
perform the following recommended maintenance procedure at
least once a month to
lubricate the compressor.
Recommended
Maintenance Procedure For A/C Compressor Lubrication:
1. Turn
off A/C and blower switches prior to starting engine.
2. Start and warm±up engine until engine speed drops below 1,000 RPM.
3. Turn on the A/C system (including the rear A/C) using the following settings:
A/C switch: On
Blower Speed: High
Engine Speed: Below 1,000 RPM
4. Keep A/C on with engine idling for at least 30 seconds.
5. Turn off A/C system and stop engine.
OP CODEDESCRIPTIONTIMEOPNT1T2
N/ANot Applicable to Warranty ±±±±
HEATING & AIR CONDITIONING
Introduction
Maintenance
Procedure
Warranty
Information

READINESS MONITOR DRIVE PATTERNS ± EG003-02 RevisedMarch 29, 2002
Page 10 of 23
DRIVE PATTERN NO. 1: EGR Monitor (All Except 1FZ±FE Engine)
Warm up
10 min
43 ± 56 mph
(70 ± 90 km/h)
Idling
IG SW off
3 ± 5 min 3 ± 5 min3 ± 5 min
(b)3 ± 5 min
(c)
(d) (a)
Preconditions
The monitor will not run unless:

MIL is OFF.

Altitude is 7800 feet (2400 m) or less.

IAT (Intake Air) is 14F (±10C) or greater.
Drive Pattern Procedure
Connect the OBDII Scantool to the DLC3 connector to check monitor status and
preconditions.
a. If IAT (Intake Air) is less than 50F (10C) when starting the engine, idle the
engine for approximately 10 minutes.
b. Drive the vehicle at 43 ± 56 mph (70 ± 90 km/h) for a period of 3 ± 5 minutes.
NOTE:

Do not allow the Throttle Position (TP) to exceed 30%.

Drive with smooth throttle operation and avoid sudden acceleration.
c. Stop the vehicle and let the engine idle for 3 ± 5 minutes.
d. Repeat steps ªbº and ªcº once.
If readiness status does not switch to ªcomplete,º ensure preconditions are met, turn the
ignition OFF, then repeat steps ªbº through ªd.º
NOTE:
The readiness status may not switch to ªcompleteº after the first drive pattern trip if a
Pending Code has been set (first trip for a two±trip DTC).

Pending Codes are available from the DTC Info Menu in Enhanced OBDII.

Pending Codes indicate a POTENTIAL problem was detected. A second trip is
needed to confirm the DTC prior to diagnosis.

Once a second trip is completed, a current DTC will be stored. Readiness
Monitor
Drive
Patterns:
EGR Monitors

READINESS MONITOR DRIVE PATTERNS ± EG003-02 RevisedMarch 29, 2002
Page 11 of 23
DRIVE PATTERN NO. 2: EGR Monitor (for 1FZ±FE Engine)
43 ± 56 mph
(70 ± 90 km/h)
Idling
IG SW off
3 ± 5 min 3 ± 5 min
3 ± 5 min
(b)3 ± 5 min
(c) (a)
Preconditions
The monitor will not run unless:

MIL is OFF.

Altitude is 7800 feet (2400 m) or less.

IAT (Intake Air) is 14F (±10C) or greater.

ECT (Coolant Temp) is less than 104F (40C).
Drive Pattern Procedure
Connect the OBDII Scantool to DLC3 to check monitor status and preconditions.
a. Start the engine and as soon as safely possible begin driving the vehicle at 43 ±
56 mph (70 ± 90 km/h) for a period of 3 ± 5 minutes.
NOTE:

Do not allow the Throttle Position (TP) to exceed 30%.

Drive with smooth throttle operation and avoid sudden acceleration.
b. Stop the vehicle and let the engine idle for 3 ± 5 minutes.
c. Repeat steps ªaº and ªbº once.
If readiness status does not switch to ªcomplete,º ensure preconditions are met, turn the
ignition OFF, then repeat steps ªaº through ªc.º
NOTE:
The readiness status may not switch to ªcompleteº after the first drive pattern trip if a
Pending Code has been set (first trip for a two±trip DTC).

Pending Codes are available from the DTC Info Menu in Enhanced OBDII.

Pending Codes indicate a POTENTIAL problem was detected. A second trip is
needed to confirm the DTC prior to diagnosis.

Once a second trip is completed, a current DTC will be stored. Readiness
Monitor
Drive
Patterns:
EGR Monitors
(Continued)

READINESS MONITOR DRIVE PATTERNS ± EG003-02 RevisedMarch 29, 2002
Page 15 of 23
Drive Pattern Preconditions
The monitor will not run unless:

MIL is OFF.

Fuel level is between 1/2 to 3/4 full (for faster completion)
.

Altitude is 7800 feet (2400 m) or less.

ECT (Coolant Temp) is between 40F and 95F (4.4C ± 35C).

IAT (Intake Air) is between 40F and 95F (4.4C ± 35C).

Cold Soak Procedure has been completed.
NOTE:
Before starting the engine, the difference between ECT (Coolant Temp) and IAT (Intake
Air) must be less than 13F (7C). (Refer to Examples 1 and 2 on previous page.)
Drive Pattern Procedure

Connect the OBDII Scantool to DLC3 to check monitor status and preconditions.

Release the pressure in the fuel tank by removing and then reinstalling the fuel tank
cap.

Start the engine and begin driving as directed.
NOTE:

Do not turn the ignition off until the drive pattern is complete.

Drive on smooth roads to reduce excessive fuel sloshing.
2a. Start the engine and as soon as safely possible begin driving at approximately 45
mph (72km/h) for 5 minutes. (See illustration on previous page.)
2b. Drive the vehicle at approximately 25 mph (40 km/h) for 15 minutes and include a
minimum of two stops for approximately 30 seconds. (See illustration on previous
page.)
The monitor should complete within approximately 20 minutes. If it does not, ensure
preconditions are met and repeat the drive pattern process beginning with the Cold Soak
Procedure.
NOTE:
The readiness status may not switch to ªcompleteº after the first drive pattern trip if a
Pending Code has been set (first trip for a two±trip DTC).

Pending Codes are available from the DTC Info Menu in Enhanced OBDII.

Pending Codes indicate a POTENTIAL problem was detected. A second trip is
needed to confirm the DTC prior to diagnosis.

Once a second trip is completed, a current DTC will be stored. Readiness
Monitor
Drive
Patterns:
EVAP
Monitors
(Continued)

READINESS MONITOR DRIVE PATTERNS ± EG003-02 RevisedMarch 29, 2002
Page 21 of 23
DRIVE PATTERN NO. 9: Oxygen Sensor Monitor (Front and Rear O2S System)
Once
Twice 3 times 10 times
25 mph
(40 km/h)
(over 900
rpm)
Idling
IG SW off
Over
2 min
(a)Over
50 sec Over
50 sec
(b)50 sec 50 sec Over
40
sec
(c)Over
40
sec40
sec
(d)
Preconditions
The monitor will not run unless:

MIL is OFF.
Drive Pattern Procedure
Connect the OBDII Scantool to DLC3 to check monitor status and preconditions.
a. Start the engine and allow it to idle for 2 minutes or more.
b. Drive the vehicle at 25 mph (40 km/h) or more for at least 50 seconds.
Be sure engine speed remains above 900 rpm.
c. Stop the vehicle and allow the engine to idle for 40 seconds or more.
d. Perform steps ªbº and ªcº ten times.
If readiness status does not switch to ªcomplete,º ensure preconditions are met, turn the
ignition OFF, then repeat steps ªaº through ªd.º
NOTE:
The readiness status may not switch to ªcompleteº after the first drive pattern trip if a
Pending Code has been set (first trip for a two±trip DTC).

Pending Codes are available from the DTC Info Menu in Enhanced OBDII.

Pending Codes indicate a POTENTIAL problem was detected. A second trip is
needed to confirm the DTC prior to diagnosis.

Once a second trip is completed, a current DTC will be stored. Readiness
Monitor
Drive
Patterns:
Oxygen
Monitors

READINESS MONITOR DRIVE PATTERNS ± EG003-02 RevisedMarch 29, 2002
Page 22 of 23
DRIVE PATTERN NO. 10: Oxygen/Air Fuel Ratio Sensor Monitor
(Front AF Sensor and Rear O2S System)
40 ± 70 mph
(64 ± 112 km/h)
(900 ± 3,200 rpm)
Idling
IG SW offOnce Twice 10 times
Over
2 min
(a)Over
40 sec
(d) 25 mph
(40 km/h)
(over 900 rpm)
Over
3 min
(b)
Over
10 sec
(c)Over
10 sec
(e)Over
40 sec
Over
10 sec40 sec
(f)
Preconditions
The monitor will not run unless:

MIL is OFF.
Drive Pattern Procedure
Connect the OBDII Scantool to DLC3 to check monitor status and preconditions.
a. Start the engine and allow it to idle for 2 minutes or more.
b. Drive the vehicle at 40 ± 70 mph (64 ± 112 km/h) or more for at least 3 minutes.
Be sure to maintain engine speed between 900 and 3,200 rpm.
c. Stop the vehicle and allow the engine to idle for 10 seconds or more.
d. Drive the vehicle at 25 mph (40 km/h) for at least 40 seconds or more.
Be sure to maintain engine speed above 900 rpm.
e. Stop the vehicle and allow the engine to idle for 10 seconds or more.
f. Perform steps ªdº and ªeº ten times.
If readiness status does not switch to ªcomplete,º ensure preconditions are met, turn the
ignition switch OFF, then repeat steps ªaº through ªf.º
NOTE:
The readiness status may not switch to ªcompleteº after the first drive pattern trip if a
Pending Code has been set (first trip for a two±trip DTC).

Pending Codes are available from the DTC Info Menu in Enhanced OBDII.

Pending Codes indicate a POTENTIAL problem was detected. A second trip is
needed to confirm the DTC prior to diagnosis.

Once a second trip is completed, a current DTC will be stored. Readiness
Monitor
Drive
Patterns:
Oxygen
Monitors
(Continued)

O2S TEST RESULTS (MODE 05) ± SS002-03December 17, 2003
Page 2 of 43
1. Clear any stored Diagnostic Trouble Codes (DTCs) using the Toyota
Diagnostic Tester.
2. Start the engine.
3. Perform the drive pattern below to run and complete the Oxygen Sensor (O2S) Monitor.
O2S Monitor Drive Pattern
ECT: 167
F (75
C) or more
Vehicle Speed
At Least 8 Times
48 km/h (30 mph)
IdlingAt Least Twice Accelerator Pedal
DepressingAccelerator Pedal
Releasing (Fuel±Cut)
6 mph
(10 km/h)
Time2 min.
or more40 sec
or more20 sec
or more10 sec
or more10 sec
or more
HINT:
The O2S Monitor is completed when the following conditions are met:
Two (2) minutes or more passed after the engine start.
The Engine Coolant Temperature (ECT) is 167
F (75
C) or more.
Cumulative running time at 30 mph (48 km/h) or more exceeds 6 minutes.
Vehicle is in closed loop.
The fuel±cut is operated for 8 seconds or more (for Rear O2S Monitor).
A. Allow the engine to idle for two minutes.
B. Warm up the engine until the Engine Coolant Temperature (ECT) reaches 167
F
(75
C).
C. Drive the vehicle over 30 mph (48 km/h) for more than 40 seconds.
D. Stop the vehicle and allow the engine to idle for more than 20 seconds.
E. Repeat steps C and D at least 8 times in one driving cycle.
(Do not cycle the ignition key.)
In addition, perform the following steps for the Rear O2S Readiness Monitor:
A. Select second gear.
B. Allow the vehicle to run at 30 mph (48 km/h) or more.
C. Keep the accelerator pedal ªoff±idleº for more than 10 seconds.
D. Immediately after step C, release the accelerator pedal for at least 10 seconds
without depressing the brake pedal (to execute the fuel±cut).
E. Decelerate the vehicle until the vehicle speed reaches less than 6 mph (10 km/h).
F. Repeat steps B ± E at least twice in one driving cycle.
Completing
O2S
Readiness
Monitor

B
The ºCurrent Flow Chartº section, describes which parts each power source (fuses, fusible links, and circuit breakers)
transmits current to. In the Power Source circuit diagram, the conditions when battery power is supplied to each system
are explained. Since all System Circuit diagrams start from the power source, the power source system must be fully
understood.
Theft Deterrent and Door Lock Control
J POWER SOURCE (Current Flow Chart)
11
1
EA1 1EA2 3
7
EB16
E 6
E 7I 2I 2
I 2
E 7
E 7
E 7
2
1
1
2
2
2
2
2
B
B
W W
B B B B BW±B
B
B
B B±O
B±W
W±B
B±W STARTER RELAY INJECTION RELAY15A HAZ±RADIO7.5A AM250A MAIN 1.25B FL MAIN
BATTERY
WWW
W W W
R W±L
W
W
G±W
G
15A TAIL
20A DEFOG
15A RAD CIGTA I L
RELAY 7.5A DOME 40A DOOR LOCK CB
2 1
1 2
4 8
2 3
3 4
G
W±R
P±L B±Y
B±Y
W±R
AM2 IG2
ACC
IG1AM1W W
W±R
W W
W±B
21
1
1
1
1
2
2
2
2
3
4
3
4 1
2
1
22
1
11
1
IGNITION SW I 8
Battery
30A AM2
2
Starter S 220A RADIO NO.1
10A HORN
15A EFI
7.5A DOMEShort Pin
10A HAZARD
The chart below shows the route by which current flows from the battery to each electrical source
(Fusible Link, Circuit Breaker, Fuse, etc.) and other parts.
Engine Room R/B (See Page 20)
ABS
ABS and Traction Control
Cruise Control
Electronically Controlled Transmission and A/T Indicator
Multiplex Communication System
Cigarette Lighter and Clock
Key Reminder and Seat Belt Warning STOP
Fuse Page
194
214
11 2
System
DOME 20A
10ACombination Meter
Headlight
Interior Light
2
2
6 100A ALT
EB1
POWER SOURCE
Light Auto Turn Off187
180
166
210
230
122
10A ECU±B
5 60A ABS
2
6 Fusible Link Block2
*The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.