TOYOTA CAMRY 1999 Service Repair Manual

± DIAGNOSTICSENGINE (5S±FE)
DI±19
254 Author: Date:
DTC No.
(See Page)Detection ItemTrouble AreaMIL*1Memory
P0500
(DI±145)Vehicle Speed Sensor
Malfunction
Combination meter
Open or short in No.1 vehicle speed sensor circuit
No.1 vehicle speed sensor
ECM

P0505
(DI±148)Idle Control System
Malfunction
IAC valve is stuck or closed
Open or short in IAC valve circuit
Open or short in A/C switch circuit
Air intake (hose loose)
ECM

*1: 


MIL lights up
2. MANUFACTURER CONTROLLED
DTC No.
(See Page)Detection ItemTrouble AreaMIL*1Memory
*2
P1130
(DI±152)A/F Sensor Circuit
Range/Performance MalfunctionOpen or short in A/F sensor circuit
A/F sensor
ECM

*2
P1133
(DI±157)A/F Sensor Circuit Response
MalfunctionA/F sensor
*2
P1135
(DI±161)A/F Sensor Heater Circuit
MalfunctionOpen or short in heater circuit of A/F sensor
A/F sensor heater
ECM

P1300
(DI±163)Igniter Circuit Malfunction (No.1)
Open or short in IGF or IGT circuit from igniter to ECM
Ignition coil (No.1)
ECM

P1310
(DI±163)Igniter Circuit Malfunction (No.2)
Open or short in IGF or IGT circuit from igniter to ECM
Ignition coil (No.2)
ECM

P1335
(DI±169)Crankshaft Position Sensor Cir-
cuit Malfunction
(During engine running)Open short in crankshaft position sensor circuit
Crankshaft position sensor
ECM
±
*3
P1520
(DI±170)Stop Light Switch Signal Mal-
functionShort in stop light switch signal circuit
Stop light switch
ECM

P1600
(DI±173)ECM BATT MalfunctionOpen in back up power source circuit
ECM
*3
P1780
(DI±175)Park/Neutral Position Switch
MalfunctionShort in park/neutral position switch circuit
Park/neutral position switch
ECM

*1: 


MIL lights up
*
2: Only for California Specification vehicles
*
3: Only for A/T models

DI±20
± DIAGNOSTICSENGINE (5S±FE)
255 Author: Date:
DTC No.
(See Page)Detection ItemTrouble AreaMIL*1Memory
*2
B2795
(DI±928)Unmatched key CodeImmobiliser system±
*2
B2796
(DI±929)No Communnication in
Immobiliser systemImmobiliser system±
*2
B2797
(DI±932)Communication Malfunction No.1Immobiliser system±
*2
B2798
(DI±935)Communication Malfunction No.2Immobiliser system±
*1: ±


MIL does not light up
*2: Only for w/ engine immobiliser system models

DI1JS±03
A03431
A03430
A03537
Crankshaft
Position
SensorVSV for EGRDLC1Camshaft Position
SensorInjectorECMThrottle Position SensorManifold Absolute
Pressure Sensor
Combination Meter
(Speedometer)
DLC3
Heated Oxygen
Sensor
(Bank 1 Sensor 2)
Intake Air Temp.
Sensor
VSV for EVAP
Idle Air Control
Valve
Ignition Coil (No.1, No.2) Park/Neutral Position
Switch Engine Coolant Temp.
Sensor Heated Oxygen Sensor
(Bank 1 Sensor 1) *1 A/F Sensor *2 Knock
Sensor 1
*1: Except California Specification vehicles
*2: Only for California Specification vehicles
Vapor Pressure Sensor
Charcoal Canister
VSV for
Vapor Pressure Sensor
± DIAGNOSTICSENGINE (5S±FE)
DI±21
256 Author: Date:
PARTS LOCATION

DI1JT±03
D00032
E9E8E7
ECM Terminals DI±22
± DIAGNOSTICSENGINE (5S±FE)
257 Author: Date:
TERMINALS OF ECM
Without engine immobiliser system
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
BATT (E7 ± 1) ± E1 (E9 ± 14)B ± Y e BRAlways9 ~ 14
+ B (E7 ± 12) ± E1 (E9 ± 14)B ± Y e BRIG switch ON9 ~ 14
VC (E8 ± 1) ± E2 (E8 ± 9)Ye BRIG switch ON4.5 ~ 5.5
VTA (E8 11) E2 (E8 9)LGBR
IG switch ON
Throttle valve fully closed0.3 ~ 1.0
VTA (E8 ± 11) ± E2 (E8 ± 9)LG e BRIG switch ON
Throttle valve fully open3.2 ~ 4.9
PIM (E8 2) E2 (E8 9)BYBR
IG switch ON3.3 ~ 3.9
PIM (E8 ± 2) ± E2 (E8 ± 9)B ± Y e BRApply vacuum 26.7 kPa (200 mmHg, 7.9 in.Hg)2.5 ~ 3.1
THA (E8 ± 3) ± E2 (E8 ± 9)Y ± B e BRIdling, Intake air temp. 20°C (68° F)0.5 ~ 3.4
THW (E8 ± 4) ± E2 (E8 ± 9)G ± B e BRIdling, Engine coolant temp. 80°C (176°F) 0.2 ~ 1.0
STA (E7 11) E1 (E9 14)*1 GR e BRCranking6.0 or moreSTA (E7 ± 11) ± E1 (E9 ± 14) *2 B ± O e BRCranking6.0 or more
IG switch ON9 ~ 14
#10 (E9 ± 12) ± E01 (E9 ± 13) L e BRIdlingPulse generation
(See page DI±89)
IG switch ON9 ~ 14
#20 (E9 ± 11) ± E01 (E9 ± 13)R e BRIdlingPulse generation
(See page DI±89)
IG switch ON9 ~ 14
#30 (E9 ± 25) ± E01 (E9 ± 13)Y e BRIdlingPulse generation
(See page DI±89)
IG switch ON9 ~ 14
#40 (E9 ± 24) ± E01 (E9 ± 13)W e BRIdlingPulse generation
(See page DI±89)
IGT1 (E9 ± 20) ± E1 (E9 ± 14)B e BRIdlingPulse generation
(See page DI±163)
IGT2 (E9 ± 19) ± E1 (E9 ± 14)Y ± R e BRIdlingPulse generation
(See page DI±163)
IG switch ON, Disconnect ignition coil connector4.5 ~ 5.5
IGF (E9 ± 3) ± E1 (E9 ± 14)W ± R e BRIdlingPulse generation
(See page DI±163)
*1: TMC made
*2: TMMK made

± DIAGNOSTICSENGINE (5S±FE)
DI±23
258 Author: Date:
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
G
(E9 ± 5) ± NE(E9 ± 17)B ± W e LIdlingPulse generation
(See page DI±100)
NE
(E9 ± 4)
± NE(E9 ± 17)B ± R e LIdlingPulse generation
(See page DI±100)
FC (E7 ± 14) ± E01 (E9 ± 13)G ± R e BR IG switch ON9 ~ 14
EGR (E9 ± 23) ± E01(E9 ± 13)P ± B e BRIG switch ON0 ~ 3
ISCC (E9 ± 9) ± E01 (E9 ± 13)B ± O e BRIG switch ON
Disconnect E9 connector of ECM9 ~ 4
ISCO (E9 ±10) ± E01(E9 ± 13)W e BRIG switch ON
Disconnect E9 connector of ECMBelow 3.0
*1
OX1 (E8 ± 6) ± E1 (E9 ± 14)W e BRMaintain engine speed at 2,500 rpm for 2 min. after
warming upPulse generation
(See page DI±66)
OX2 (E8 ± 5) ± E1 (E9 ± 14)B e BRMaintain engine speed at 2,500 rpm for 2 min. after
warming upPulse generation
*1LYBRIdlingBelow 3.01
HT1 (E9 ± 8) ± E1 (E9 ± 14)L ± Y e BRIG switch ON9 ~ 14
HT2 (E9 21) E1 (E9 14)PBBRIdlingBelow 3.0HT2 (E9 ± 21) ± E1 (E9 ± 14)P ± B e BRIG switch ON9 ~ 14
KNK (E8 ± 13) ± E1 (E9 ± 14)W e BRIdlingPulse generation
(See page DI±97)
*3B ± W e BR
IG switch ON
Other shift position in P or N position9 ~ 143
NSW (E7 ± 22) ± E1 (E9 ± 14)
B W e BR
IG switch ON
Shift position in P or N position0 ~ 3.0
SPD (E7 ± 9) ± E1 (E9 ± 14)V ± W e BRIG switch ON
Rotate driving wheel slowlyPulse generation
(See page DI±145)
TE1 (E8 ± 15) ± E1 (E9 ± 14)L ± W e BRIG switch ON9 ~ 14
W (E7 5) E1 (E9 14)GRBRIdling9 ~ 14W (E7 ± 5) ± E1 (E9 ± 14)G ± R e BRIG switch ONBelow 3.0
EVP (E9 ± 22) ± E1 (E9 ± 14)V ± W e BRIG switch ON9 ~ 14
TPC (E8 ± 8) ± E1 (E9 ± 14)V e BRIG switch ON9 ~ 14
PTNK (E8 ± 7) ± E2 (E8 ± 9)P e BR
IG switch ON, Disconnect vacuum hose from vapor pressure
sensor2.9 ~ 3.7PTNK (E8 7) E2 (E8 9)P e BR
Apply vacuum (less than 66.7 kPa (500 mmHg, 19.7 in.Hg))Below 0.5
*2
AF
(E8 ± 6) ± E1 (E9 ± 14)
W e BRAlways (IG switch ON)3.3 fixed*4
*2
AF (E8 ± 14) ± E1 (E9 ± 14)
O e BRAlways (IG switch ON)3.0 fixed*4
*1: Except California Specification vehicles
*2: Only for California Specification vehicles
*3: Only for A/T models
*4: The ECM terminal voltage is fixed regardless of the output voltage from the sensor.

DI±24
± DIAGNOSTICSENGINE (5S±FE)
259 Author: Date:
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
*1GBR
IdlingBelow 3.01
HTAF (E9 ± 2) ± E04 (E9 ± 15)G e BR
IG switch ON9 ~ 14
LOCK IN (E9 ± 18)
± E1 (E9 ± 14)W ± L e BRA/C compressor is operatingPulse generation
(See page DI±190)
LOCK (E7 15) E1(E9 14)RWBRA/C indicator light lights upBelow 4.0LOCK (E7 ± 15) ± E1(E9 ± 14)R ± W e BRA/C indicator light does not lights upBelow 1.0
A/C SW (E7 ± 10)RBBRA/C switch ON9 ~ 14A/C SW (E7 10)
± E1 (E9 ± 14)R ± B e BRA/C switch OFFBelow 1.0
PRS (E7 ± 13) ± E1 (E9 ± 14)G e BRA/C pressure is normallyBelow 1.0
THR (E8 10) E2 (E8 9)LRBRIG switch ON, A/C evaporator temp. 0°C (32°F)2.2 ~ 2.6THR (E8 ± 10) ± E2 (E8 ± 9)L ± R e BRIG switch ON, A/C evaporator temp. 15°C (59°F)1.4 ~ 1.8
MGC (E7 21) E01(E9 14)LYBRA/C magnetic clutch ONBelow 1.0MGC (E7 ± 21) ± E01(E9 ± 14)L ± Y e BRA/C magnetic clutch OFF9 ~ 14
* STP (E7 4) E1 (E9 14)GWBRIG switch ON, Brake pedal depressed7.5 ~ 14* STP (E7 ± 4) ± E1 (E9 ± 14)G ± W e BRIG switch ON, Brake pedal releasedBelow 1.5
ELS (E7 2) E1 (E9 14)BRBRDefogger switch and taillight switch ON7.5 ~ 14ELS (E7 ± 2) ± E1 (E9 ± 14)B ± R e BRDefogger switch and taillight switch OFFBelow 1.5
PSSW (E8 ± 12) BLBRIG switch ON9 ~ 14PSSW (E8 12)
± E1 (E9 ± 14)B ± L e BRAt idling, Turn steering wheel to lock positionBelow 3.0
SIL (E7 ± 16) ± E1 (E9 ± 14)W e BRDuring transmissionPulse generation
*: Only for A/T models
*1: Only for California Specification vehicles

A02958
E7ECM Terminals
E9E8E10
11
19
1412 10 9 8
7652
43
18 21 22
20
16151
13
17 11 14
109
87 652 4
3
21 2220
16 15 131
12 11 1 09
652
43 1 12
7 8
19
14
109 8
7652
43
18
23 2416
151
17
11 12 13 25
26
± DIAGNOSTICSENGINE (5S±FE)
DI±25
260 Author: Date:
With engine immobiliser system
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
BATT (E7 ± 2) ± E1 (E9 ± 24)B ± Y e BRAlways9 ~ 14
+ B (E7 ± 12) ± E1 (E9 ± 24)B ± Y e BRIG switch ON9 ~ 14
VC (E8 ± 1) ± E2 (E8 ± 9)Ye BRIG switch ON4.5 ~ 5.5
VTA (E8 10) E2 (E8 9)LGBR
IG switch ON
Throttle valve fully closed0.3 ~ 1.0
VTA (E8 ± 10) ± E2 (E8 ± 9)LG e BRIG switch ON
Throttle valve fully open3.2 ~ 4.9
PIM (E8 2) E2 (E8 9)BYBR
IG switch ON3.3 ~ 3.9
PIM (E8 ± 2) ± E2 (E8 ± 9)B ± Y e BRApply vacuum 26.7 kPa (200 mmHg, 7.9 in.Hg)2.5 ~ 3.1
THA (E8 ± 3) ± E2 (E8 ± 9)Y ± B e BRIdling, Intake air temp. 20°C (68° F)0.5 ~ 3.4
THW (E8 ± 4) ± E2 (E8 ± 9)G ± B e BRIdling, Engine coolant temp. 80°C (176°F) 0.2 ~ 1.0
STA (E7 11) E1 (E9 24)*1 GR e BRCranking6.0 or moreSTA (E7 ± 11) ± E1 (E9 ± 24) *2 B ± O e BRCranking6.0 or more
#10 (E9 12)IG switch ON9 ~ 14#10 (E9 ± 12)
± E01 (E9 ± 13) L e BRIdlingPulse generation
(See page DI±89)
#20 (E9 11)IG switch ON9 ~ 14#20 (E9 ± 11)
± E01 (E9 ± 13)R e BRIdlingPulse generation
(See page DI±89)
#30 (E9 10)IG switch ON9 ~ 14#30 (E9 ± 10)
± E01 (E9 ± 13)Y e BRIdlingPulse generation
(See page DI±89)
IG switch ON9 ~ 14
#40 (E9 ± 9) ± E01 (E9 ± 13)W e BRIdlingPulse generation
(See page DI±89)
IGT1 (E9 ± 23)
± E1 (E9 ± 24)B e BRIdlingPulse generation
(See page DI±163)
IGT2 (E9 ± 22)
± E1 (E9 ± 24)Y ± R e BRIdlingPulse generation
(See page DI±163)
IG switch ON, Disconnect ignition coil connector4.5 ~ 5.5
IGF (E9 ± 17) ± E1 (E9 ± 24)W ± R e BRIdlingPulse generation
(See page DI±163)
*1: TMC made
*2: TMMK made

DI±26
± DIAGNOSTICSENGINE (5S±FE)
261 Author: Date:
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
G
(E10 ± 11) ± NE(E10 ± 6)B ± W e LIdlingPulse generation
(See page DI±100)
NE
(E10 ± 12)
± NE(E10 ± 6)B ± R e LIdlingPulse generation
(See page DI±100)
FC (E7 ± 14) ± E01 (E9 ± 13)G ± R e BR IG switch ON9 ~ 14
EGR (E8 ± 15) ± E01(E9 ± 13)P ± B e BRIG switch ON0 ~ 3
ISCC (E9 ± 6)
± E01 (E9 ± 13)B ± O e BRIG switch ON
Disconnect E9 connector of ECM9 ~ 4
ISCO (E9 ±7) ± E01(E9 ± 13)W e BRIG switch ON
Disconnect E9 connector of ECMBelow 3.0
*1
OX1 (E8 ± 5) ± E1 (E9 ± 24)W e BRMaintain engine speed at 2,500 rpm for 2 min. after
warming upPulse generation
(See page DI±66)
OX2 (E8 ± 13) ± E1 (E9 ± 24)B e BRMaintain engine speed at 2,500 rpm for 2 min. after
warming upPulse generation
*1LYBRIdlingBelow 3.01
HT1 (E9 ± 1) ± E1 (E9 ± 24)L ± Y e BRIG switch ON9 ~ 14
HT2 (E9 14) E1 (E9 24)PBBRIdlingBelow 3.0HT2 (E9 ± 14) ± E1 (E9 ± 24)P ± B e BRIG switch ON9 ~ 14
KNK (E8 ± 12) ± E1 (E9 ± 24)W e BRIdlingPulse generation
(See page DI±97)
*3B ± W e BR
IG switch ON
Other shift position in P or N position9 ~ 143
NSW (E7 ± 22) ± E1 (E9 ± 24)
B W e BR
IG switch ON
Shift position in P or N position0 ~ 3.0
SPD (E7 ± 8) ± E1 (E9 ± 24)V ± W e BRIG switch ON
Rotate driving wheel slowlyPulse generation
(See page DI±145)
TE1 (E8 ± 7) ± E1 (E9 ± 24)L ± W e BRIG switch ON9 ~ 14
W (E7 4) E1 (E9 24)GRBRIdling9 ~ 14W (E7 ± 4) ± E1 (E9 ± 24)G ± R e BRIG switch ONBelow 3.0
EVP (E9 ± 3) ± E1 (E9 ± 24)V ± W e BRIG switch ON9 ~ 14
TPC (E8 ± 16) ± E1 (E9 ± 24)V e BRIG switch ON9 ~ 14
PTNK (E8 ± 8) ± E2 (E8 ± 9)P e BR
IG switch ON, Disconnect vacuum hose from vapor pressure
sensor2.9 ~ 3.7PTNK (E8 8) E2 (E8 9)P e BR
Apply vacuum (less than 66.7 kPa (500 mmHg, 19.7 in.Hg))Below 0.5
*2
AF
(E8 ± 6) ± E1 (E9 ± 24)W e BRAlways (IG switch ON)3.3 fixed*4
*2
AF (E8 ± 14) ± E1 (E9 ± 24)
O e BRAlways (IG switch ON)3.0 fixed*4
*1: Except California Specification vehicles
*2: Only for California Specification vehicles
*3: Only for A/T models
*4: The ECM terminal voltage is fixed regardless of the output voltage from the sensor.

± DIAGNOSTICSENGINE (5S±FE)
DI±27
262 Author: Date:
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
*1GBR
IdlingBelow 3.01
HTAF (E9 ± 2) ± E04 (E9 ± 15)G e BR
IG switch ON9 ~ 14
LOCK IN (E9 ± 19)
± E1 (E9 ± 24)W ± L e BRA/C compressor is operatingPulse generation
(See page DI±190)
LOCK (E7 ± 20)RWBRA/C indicator light lights upBelow 4.0LOCK (E7 20)
± E1 (E9 ± 24)R ± W e BRA/C indicator light does not lights upBelow 1.0
A/C SW (E7 ± 10)RBBRA/C switch ON9 ~ 14A/C SW (E7 10)
± E1 (E9 ± 24)R ± B e BRA/C switch OFFBelow 1.0
PRS (E7 ± 19) ± E1 (E9 ± 24)G e BRA/C pressure is normallyBelow 1.0
THR (E8 11) E2 (E8 9)LRBRIG switch ON, A/C evaporator temp. 0°C (32°F)2.2 ~ 2.6THR (E8 ± 11) ± E2 (E8 ± 9)L ± R e BRIG switch ON, A/C evaporator temp. 15°C (59°F)1.4 ~ 1.8
MGC (E7 ± 21)LYBRA/C magnetic clutch ONBelow 1.0MGC (E7 21)
± E01 (E9 ± 13)L ± Y e BRA/C magnetic clutch OFF9 ~ 14
* STP (E7 9) E1 (E9 24)GWBRIG switch ON, Brake pedal depressed7.5 ~ 14* STP (E7 ± 9) ± E1 (E9 ± 24)G ± W e BRIG switch ON, Brake pedal releasedBelow 1.5
ELS (E7 13) E1 (E9 24)BRBRDefogger switch and taillight switch ON7.5 ~ 14ELS (E7 ± 13) ± E1 (E9 ± 24)B ± R e BRDefogger switch and taillight switch OFFBelow 1.5
PSSW (E9 ± 4) BLBRIG switch ON9 ~ 14PSSW (E9 4)
± E1 (E9 ± 24)B ± L e BRAt idling, Turn steering wheel to lock positionBelow 3.0
SIL (E7 ± 6) ± E1 (E9 ± 24)W e BRDuring transmissionPulse generation
TACH (E7 ± 7) ± E1 (E9 ± 24)B ± O eBRIdlingPulse generation
KSW (E10 4) E1 (E9 24)LBBRAt the time of inserting keyBelow 1.5KSW (E10 ± 4) ± E1 (E9 ± 24)L ± B e BRIn the condition without key insertedPulse generation
RXCK (E10 ± 3)
± E1 (E9 ± 24)R ± L eBRAt the time of inserting keyPulse generation
CODE (E10 ± 8)
± E1 (E9 ± 24)G ± W eBRAt the time of inserting keyPulse generation
TXCT (E10 ± 1)
± E1 (E9 ± 24)L ± Y eBRAt the time of inserting keyPulse generation
IMLD (E10 ± 1) ± E1 (E9 ± 24)R ± Y eBRIn the condition without key insertedPulse generation
MREL (E10 ± 7)
± E1 (E9 ± 24)B ± W eBRIG switch ON9 ~ 14
IGSW (E7 ± 1) ± E1 (E9 ± 24)B ± ReBRIG switch ON9 ~ 14
*: Only for A/T models
*1: Only for California Specification vehicles

DI00L±03
DI±28
± DIAGNOSTICSENGINE (5S±FE)
263 Author: Date:
PROBLEM SYMPTOMS TABLE
SymptomSuspect AreaSee page
Engine does not crank (Does not start)1. Starter
2. starter relayST±2
ST±20
No initial combustion (Does not start)
1. ECM power source circuit
2. Fuel pump control circuit
3. Engine control module (ECM)DI±179
DI±183
IN±31
No complete combustion (Does not start)1. Fuel pump control circuitDI±183
Engine cranks normally (Difficult to start)
1. Starter signal circuit
2. Fuel pump control circuit
3. CompressionDI±176
DI±183
EM±3
Cold engine (Difficult to start)1. Starter signal circuit
2. Fuel pump control circuitDI±176
DI±183
Hot engine (Difficult to start)1. Starter signal circuit
2. Fuel pump control circuitDI±176
DI±183
High engine idle speed (Poor idling)1. A/C switch circuit
2. ECM power source circuitAC±84
DI±179
Low engine idle speed (Poor idling)1. A/C switch circuit
2. Fuel pump control circuit AC±84
DI±183
Rough idling (Poor idling)1. Compression
2. Fuel pump control circuitEM±3
DI±183
Hunting (Poor idling)1. ECM power source circuit
2. Fuel pump control circuitDI±179
DI±183
Hesitation/Poor acceleration (Poor driveability)1. Fuel pump control circuit
2. A/T faulty DI±183
DI±405
Surging (Poor driveability)1. Fuel pump control circuitDI±183
Soon after starting (Engine stall)1. Fuel pump control circuitDI±183
During A/C operation (Engine stall)1. A/C switch circuit
2. Engine control module (ECM) AC±84
IN±31
A/C switch indicatior blinking1. A/C Compressor lock sensor circuit
2. A/C Evaporator temp. sensor circuitDI±190
DI±192
Unable to refuel/ Difficult to refuel1. ORVR systemEC±6