1999 TOYOTA CAMRY coolant
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± DIAGNOSTICSAUTOMATIC TRANSAXLE (A140E)
DI±393
628 Author: Date:
(b) Clearance the DTC.
The following actions will erase the DTC and freeze frame
data. Operating an OBD II scan tool (complying with SAE
J1978) or TOYOTA hand±held tester to erase the codes.
(See the OBD II scan tool's instruction book for operating
instructions.)
4. ROAD TEST
NOTICE:
Perform the test at normal operating ATF temperature 50 ± 80 °C (122 ± 176 °F).
(a) D position test
Shift into the D position and fully depress the accelerator pedal and and check the following points:
(1) Check up±shift operation.
1 " 2, 2 " 3 and 3 " O/D up±shifts take place, at the shift point shown in the automatic shift
schedule (See page SS±54).
HINT:
O/D Gear Up±shift Prohibition Control (1. Coolant temp. is 50 °C (122 °C) or less. 2. If there is a 10
km/h (6 mph) difference between the set cruise control speed and vehicle speed.)
O/D Gear Lock±up Prohibition Control (1. Brake pedal is depressed. 2. Coolant temp. is 50 °C
(122 °C) or less.)
(2) Check for shift shock and slip.
Check for shock and slip at the 1 " 2, 2 " 3 and 3 " O/D up±shifts.
(3) Check for abnormal noises and vibration.
Run at the D position lock±up or O/D gear and check for abnormal noises and vibration.
HINT:
The check for the cause of abnormal noises and vibration must be done very thoroughly as it could also be
due to loss of balance in the differential or torque converter clutch, etc.
(4) Check kick±down operation.
While running in the D position, 2nd, 3rd and O/D gears, check to see that the possible kick±down
vehicle speed limits for 2 " 1, 3 " 2 and O/D " 3 kick±downs conform to those indicated on
the automatic shift schedule (See page SS±54).
(5) Check abnormal shock and slip at kick±down.
(6) Check the lock±up mechanism.
Drive in D position, O/D gear, at a steady speed (lock±up ON) of about 75 km/h (47 mph).
Lightly depress the accelerator pedal and check that the engine speed does not change
abruptly.
If there is a big jump in engine speed, there is no lock±up.
(b) 2 position test
Shift into the 2 position and fully depress the accelerator pedal and check the following points:
(1) Check up±shift operation.
Check to see that the 1 " 2 up±shift takes place and that the shift point conforms to the automatic
shift schedule (See page SS±54).
HINT:
There is no O/D up±shift and lock±up in the 2 position.
(2) Check engine braking.
While running in the 2 position and 2nd gear, release the accelerator pedal and check the engine
braking effect.
Page 1654 of 4592
DI±442
± DIAGNOSTICSAUTOMATIC TRANSAXLE (A541E)
677 Author: Date:
(b) Clearance the DTC.
The following actions will erase the DTC and freezed
frame data. Operating an OBD II scan tool (complying
with SAE J1978) or TOYOTA hand±held tester to erase
the codes.
(See the OBD II scan tool's instruction book for operating
instructions.)
4. ROAD TEST
NOTICE:
Perform the test at normal operating ATF temperature 50 ± 80 °C (122 ± 176 °F).
(a) D POSITION TEST
Shift into the D position and fully depress the accelerator pedal and and check the following points:
(1) Check up±shift operation.
1 " 2, 2 " 3 and 3 " O/D up±shift takes place, at the shift point shown in the automatic shift
schedule (See page SS±56).
HINT:
O/D Gear Up±shift Prohibition Control (1. Coolant temp. is 60 °C (140 °F) or less. 2. If there is a 10
km/h (6 mph) difference between the set cruise control speed and vehicle speed.)
O/D Gear Lock±up Prohibition Control (1. Brake pedal is depressed. 2. Coolant temp. is 60 °C
(140 °F) or less.)
(2) Check for shift shock and slip.
Check for shock and slip at the 1 " 2, 2 " 3 and 3 " O/D up±shifts.
(3) Check for abnormal noises and vibration.
Run at the D position lock±up or O/D gear and check for abnormal noises and vibration.
HINT:
The check for the cause of abnormal noises and vibration must be done very thoroughly as it could also be
due to loss of balance in the differential torque converter clutch, etc..
(4) Check kick±down operation.
While running in the D position, 2nd, 3rd and O/D gears, check to see that the possible kick±down
vehicle speed limits for 2 " 1, 3 " 2 and O/D " 3 kick±downs conform to those indicated on
the automatic shift schedule (See page SS±56).
(5) Check abnormal shock and slip at kick±down.
(6) Check the lock±up mechanism.
Drive in D position, O/D gear, at a steady speed (lock±up ON) of about 60 km/h (37 mph).
Lightly depress the accelerator pedal and check that the engine speed does not change
abruptly.
If there is a big jump in engine speed, there is no lock±up.
(b) 2 POSITION TEST
Shift into the 2 position and fully depress the accelerator pedal and check the following points:
(1) Check up±shift operation.
Check to see that the 1 " 2 up±shift takes place and that the shift point conforms to the automatic
shift schedule (See page SS±56).
HINT:
There is no O/D up±shift and lock±up in the 2 position.
(2) Check engine braking.
While running in the 2 position and 2nd gear, release the accelerator pedal and check the engine
braking effect.
(3) Check for abnormal noises during acceleration and deceleration, and for shock at up±shift and
down±shift.
Page 1662 of 4592
DI02G±02
Q07932
Engine Coolant Temp. SensorCruise Control ECUThrottle Position Sensor
O/D Main Switch
O/D OFF Indicator LIght
DLC3
DLC2
Stop Light Switch
Vehicle Speed Sensor
Shift Solenoid Valve SLN
Shift Solenoid Valve No.1, No2 Shift Solenoid Valve SL
Park/Neutral Position Switch Direct Clutch Speed SensorECM
Crankshaft Position
Sensor
DI±450
± DIAGNOSTICSAUTOMATIC TRANSAXLE (A541E)
685 Author: Date:
PARTS LOCATION
Page 2155 of 4592
DI±4
± DIAGNOSTICSENGINE
The diagnosis system operates in normal mode
during normal vehicle use. It also has a check mode
for technicians to simulate malfunction symptoms
and troubleshoot. Most DTCs use 2 trip detection
logic* to prevent erroneous detection, and ensure
thorough malfunction detection. By switching the
ECM to check mode when troubleshooting, the
technician can cause the MIL to light up for a mal-
function that is only detected once or momentarily.
(TOYOTA hand±held tester only)
(See page DI±3)
*2 trip detection logic: When a malfunction is first
detected, the malfunction is temporarily stored in
the ECM memory. (1st trip)
If the same malfunction is detected again during the second
drive test, this second detection causes the MIL to light up. (2nd
trip) (However, the ignition switch must be turned OFF between
the 1st trip and 2nd trip.)
Freeze frame data:
Freeze frame data records the engine condition
when a misfire (DTCs P0300 ± P0304) or fuel trim
malfunction (DTCs P0171 and P0172) or other mal-
function (first malfunction only), is detected. Be-
cause freeze frame data records the engine condi-
tions (fuel system, calculated load, engine coolant
temperature, fuel trim, engine speed, vehicle
speed, etc.) when the malfunction is detected.
When troubleshooting, it is useful for determining
whether the vehicle was running or stopped, the en-
gine was warmed up or not, the air±fuel ratio was
lean or rich, etc. at the time of the malfunction.
Priorities for troubleshooting.
If troubleshooting priorities for multiple DTCs are given in the
applicable DTC chart, these should be followed.
If no instructions are given, troubleshoot DTCs according to the
following priorities.
(1) DTCs other than fuel trim malfunction (DTCs P0171
and P0172), EGR (DTCs P0401 and P0402), and
misfire (DTCs P0300 ± P0304).
(2) Fuel trim malfunction (DTCs P0171 and P0172),
and EGR (DTCs P0401 and P0402).
(3) Misfire (DTCs P0300 ± P0304).
Page 2158 of 4592
FI3605
ON
OFFFlashing
0.13 Second
± DIAGNOSTICSENGINE
DI±7
(3) Prepare the TOYOTA hand±held tester.
(4) Connect the TOYOTA hand±held tester to the
DLC3 under the instrument panel lower pad.
(5) Turn the ignition switch ON and push the TOYOTA
hand±held tester ON.
(6) Switch the TOYOTA hand±held tester from the nor-
mal mode to the check mode. (Check that the MIL
flashes.)
NOTICE:
If the TOYOTA hand±held tester switches the ECM from
normal mode to check mode or vice±versa, or if the igni-
tion switch is turned from ON to ACC or LOCK during check
mode, the DTCs and freezed frame data will be erased.
(7) Start the engine. (The MIL goes out after the engine
start.)
(8) Simulate the conditions of the malfunction de-
scribed by the customer.
NOTICE:
Leave the ignition switch ON until you have checked the
DTC, etc.
(9) After simulating the malfunction conditions, use the
TOYOTA hand±held tester diagnosis selector to
check the DTCs and freezed frame data, etc.
HINT:
Take care not to turn the ignition switch OFF. Turning the ignition
switch OFF switches the diagnosis system from check mode to
normal mode. So all DTCs, etc. are erased.
(10) After checking the DTC, inspect the applicable cir-
cuit.
4. FAIL±SAFE CHART
If any of the following codes is recorded, the ECM enters fail±safe mode.
DTC No.Fail±Safe OperationFail±Safe Deactivation Conditions
P0105Ignition timing fixed at 5° BTDCReturned to normal condition
P0110Intake air temperature is fixed at 20°C (68°F)Returned to normal condition
P0115Engine coolant temperature is fixed at 80°(176°F)Returned to normal condition
P0120VTA is fixed at 0°The following condition must be repeated at least 2 times con-
secutively VTA 0.1 V and 0.95 V
P0141The heater circuit in witch an abnormality is detected is
turned offIgnition switch OFF
P1135The heater circuit in which an abnormality is detected is
turned offIgnition switch OFF
P1300
P1310Fuel cutIGF signal is detected for 2 consecutive ignitions
Page 2162 of 4592
A00359
± DIAGNOSTICSENGINE
DI±11
OK:
There is operating sound from the shutoff valve.
NG Proceed to page SF±34 and continue to trouble-
shoot.
OK
8 Check for spark.
PREPARATION:
(a) Disconnect the high±tension cord from the spark plug.
(b) Remove the spark plug.
(c) Install the spark plug to the high±tension cord.
(d) Disconnect the injector connector.
(e) Ground the spark plug.
CHECK:
Check if spark occurs while the engine is being cranked.
NOTICE:
To prevent excess fuel from being injected from the injec-
tors during this test, don't crank the engine for more than
5 ± 10 seconds at a time.
NG Proceed to page IG±1 and continue to trouble-
shoot.
OK
Proceed to problem symptoms table on page
DI±21.
7. ENGINE OPERATING CONDITION
NOTICE:
The values given below for ºNormal Conditionº are representative values, so a vehicle may still be
normal even if its value varies from those listed here. So do not decide whether a part is faulty or
not solely according to the ºNormal Conditionº here.
(a) CARB mandated signals.
TOYOTA hand±held tester displayMeasurement ItemNormal Condition*1
FUEL SYS #1
Fuel System Bank 1
OPEN: Air±fuel ratio feedback stopped
CLOSED: Air±fuel ratio feedback operating
Idling after warming up: CLOSED
CALC LOADCalculator Load: Current intake air volume as a
proportion of max. intake air volumeIdling: 19.7 ± 50.4 %
Racing without load (2,500rpm): 16.8 ± 47.4 %
COOLANT TEMPEngine Coolant Temp. Sensor ValueAfter warming up: 80 ± 95°C (176 ± 203°F)
Page 2165 of 4592
DI00I±11
DI±14
± DIAGNOSTICSENGINE
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument
or other factors.
If a malfunction code is displayed during the DTC check in check mode, check the circuit for that code listed
in the table below. For details of each code, turn to the page referred to under the ''See page '' for the respec-
tive ''DTC No.'' in the DTC chart.
1. SAE CONTROLLED
DTC No.
(See page)Detection ItemTrouble AreaMIL*Memory
P0105
(DI±22)Manifold Absolute Pressure/
Barometric Pressure Circuit Mal-
functionOpen or short in manifold absolute pressure sensor circuit
Manifold absolute pressure sensor
ECM
P0106
(DI±25)Manifold Absolute Pressure Cir-
cuit Range/Performance Prob-
lemVacuum line
Manifold absolute pressure sensor
P0110
(DI±26)Intake Air Temp. Circuit Malfunc-
tionOpen or short in intake air temp. sensor circuit
Intake air temp. sensor
ECM
P0115
(DI±30)Engine Coolant Temp. Circuit
MalfunctionOpen or short in engine coolant temp. sensor circuit
Engine coolant temp. sensor
ECM
P0116
(DI±34)Engine Coolant Temp. Circuit
Range/Performance ProblemCooling system
Engine coolant temp. sensor
P0120
(DI±35)Throttle/Pedal Position Sensor/
Switch ºAº Circuit MalfunctionOpen or short in throttle position sensor circuit
Throttle position sensor
ECM
P0121
(DI±39)Throttle/Pedal Position Sensor/
Switch ºAº Circuit Range/Perfor-
mance Problem
Throttle position sensor
P0125
(DI±40)Insufficient Coolant Temp. for
Closed Loop Fuel Control
Open or short in A/F sensor (bank 1 sensor 1) circuit
A/F sensor (bank 1 sensor 1)
Air induction system
EGR system
Fuel pressure
Injector
Gas leakage on exhaust system
ECM
P0136
(DI±45)Oxygen Sensor Circuit Malfunc-
tion (Bank 1 Sensor 2)Open or short in heated oxygen sensor circuit
Heated oxygen sensor
P0141
(DI±47)Oxygen Sensor Heater Circuit
Malfunction (Bank 1 Sensor 2)Open or short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
ECM
P0171
(DI±49)System too Lean (Fuel Trim)
Air induction system
Injector blockage
Manifold absolute pressure sensor
Engine coolant temp. sensor
Fuel shutoff valve for delivery pipe
Gas leakage on exhaust system
Open or short in A/F sensor (bank 1 sensor 1) circuit
A/F sensor (bank 1 sensor 1)
ECM
Page 2166 of 4592
± DIAGNOSTICSENGINE
DI±15
P0172
(DI±49)System too Rich (Fuel Trim)
Injector leak, blockage
Manifold absolute pressure sensor
Engine coolant temp. sensor
Ignition system
Fuel shutoff valve for delivery pipe
Gas leakage on exhaust system
Open or short in A/F sensor (bank 1 sensor 1) circuit
A/F sensor (bank 1 sensor 1)
ECM
P0180
(DI±54)Fuel Temperature Sensor ºAº
Circuit Malfunction
Open or short in fuel temperature sensor circuit for delivery
pipe
Fuel temperature sensor for delivery pipe
ECM
P0190
(DI±56)Fuel Rail Pressure Sensor Cir-
cuit MalfunctionOpen or short in fuel pressure sensor circuit for delivery pipe
Fuel pressure sensor for delivery pipe
ECM
P0335
(DI±59)Crankshaft Position Sensor ºAº
Circuit Malfunction
Open or short in crankshaft position sensor circuit
Crankshaft position sensor
Crankshaft timing pulley
ECM
P0340
(DI±61)Camshaft Position Sensor Circuit
Malfunction
Open or short in camshaft position sensor circuit
Camshaft position sensor
Camshaft timing pulley
ECM
P0400
(DI±63)Exhaust Gas Recirculation Flow
Malfunction
Vacuum or EGR hose is connected to wrong post
Open or short in VSV circuit for EGR
VSV for EGR
EGR system
EGR vacuum modulator
EGR valve
Manifold absolute pressure sensor
ECM
P0500
(DI±69)Vehicle Speed Sensor Malfunc-
tion
Combination meter
Open or short in vehicle speed sensor circuit
Vehicle speed sensor
ECM
P0505
(DI±72)Idle Control System Malfunction
Open or short in IAC valve circuit
IAC valve is stuck or closed
Open or short in A/C switch circuit
Air induction system
ECM
*: MIL lights up
2. MANUFACTURER CONTROLLED
DTC No.
(See Page)Detection ItemTrouble AreaMIL*Memory
P1130
(DI±79)A/F Sensor Circuit Range/Perfor-
mance Malfunction (Bank 1 Sen-
sor 1)
Open or short in A/F sensor circuit
A/F sensor
Air induction system
EGR system
Fuel pressure
Injector
ECM
P1135
(DI±84)A/F Sensor Heater Circuit Mal-
function (Bank 1 Sensor 1)Open or short in heater circuit of A/F sensor
A/F sensor heater
ECM