1999 TOYOTA CAMRY Service Repair Manual

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Page 4105 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DOOR LOCK CONTROL
A
IFID II 230A
POWER25A
DOOR FROM POWER SOURCE SYSTEM (
SEE PAGE 44)
1D 1
32 51
ID1 13 ID112 ID14ID13IL14IL13IL113 IL112 ID23ID28ID111
ID1 20
IL1 20 1G 12 1J71G5
1G7
1V3
UNLOCK LOCK

Page 4106 of 4592

TOYOTA CAMRY 1999 Service Repair Manual , J28
BKIJ BL BA1 5 BA17 BA14IL2 7IL23IL111 BB15 BB17 BB14
BA1 6 MMM A 7 A 6A11 A10
IM12
IM11
IC26 IC27A C
A C
A C
A B
A B
A B
B E
A D
A DB CB CB B B
B
BB1 6
B 2 414 C
231 234 231C
A L±B L±R
W± BL

Page 4107 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DOOR LOCK CONTROL
Current always flows to TERMINAL (A) 13 of the integration relay through the DOOR fuse.
When the ignition SW is turned on, the current flowing through the GAUGE Fuse flows to TERMINA

DOOR LOCK CONTROL
Current always flows to TERMINAL (A) 13 of the integration relay through the DOOR fuse.
When the ignition SW is turned on, the current flowing through the GAUGE Fuse flows to TERMINAL 7 of the integration
relay to TERMINAL (A) 12 to the POWER relay (Coil side) to GROUND.
1. MANUAL LOCK OPERATION
When the door lock control SW or door key lock and unlock SW are operated to LOCK position, a lock signal is input to
TERMINAL (A) 1 or (A) 3 of the integration relay and causes the relay to function. Current flows from TERMINAL (A) 13 of
the relay to TERMINAL (A) 6 to TERMINAL 2 of the door lock motors to TERMINAL 3 to TERMINAL (A) 7 of the relay to
TERMINAL 10 to GROUND and the door lock motor causes the door to lock.
2. MANUAL UNLOCK OPERATION
When the door lock control SW or door key lock and unlock SW are operated to UNLOCK position, an unlock signal is input
to TERMINAL (A) 2, (A) 4 or (A) 5 of the integration relay and causes the relay to function. Current flows from TERMINAL (A)
13 of the relay to TERMINAL (A) 7 to TERMINAL 3 of the door lock motors to TERMINAL 2 to TERMINAL (A) 6 of the relay
to TERMINAL 10 to GROUND and door lock motors causes door to unlock.
3. DOUBLE OPERATION UNLOCK OPERATION
When the door key lock and unlock SW front LH is turned to the unlock side, only the driver's door to unlock. Turning the
door key lock and unlock SW front LH to the unlock side causes a signal to be input to TERMINAL (A) 4 of the relay, and if
the signal is input again within 3 seconds by turning the SW to the unlock side again, current flows from TERMINAL (A) 7 of
the integration relay to TERMINAL 3 of the door lock motors to TERMINAL 2 of the door lock motors to TERMINAL (A) 6 of
the relay to TERMINAL 10 to GROUND, causing the door lock motors to operate and unlock the doors.
4. IGNITION KEY REMINDER OPERATION
When the door is locked using the door lock knob with the ignition key remaining in the key cylinder and door opened, it is
automatically unlocked. Additionally, if lock operation is made by the door lock control SW or door key lock and unlock, after
the lock operation is completed, the doors are unlocked automatically.
I12 (A) INTEGRATION RELAY
10±GROUND : Always continuity
6±GROUND : Continuity with the front LH door open
7±GROUND : Approx. 12 volts with the ignition SW at ON or ST position
(A)13±GROUND : Always approx. 12 volts
(A) 6±GROUND : Approx. 12 volts 0.2 seconds with following operation
* Door lock control SW locked
* Locking the front LH, RH door cylinder with key
(A) 1±GROUND : Continuity with the door lock control SW locked
(A) 8±GROUND : Continuity with the front RH door open
(A) 2±GROUND : Continuity with the door lock control SW unlocked
(A) 5±GROUND : Continuity with the front RH door lock cylinder unlocked with key
(A) 4±GROUND : Continuity with the front LH door lock cylinder unlocked with key
(A) 3±GROUND : Continuity with the front LH, RH door lock cylinder locked with key
(A) 7±GROUND : Approx. 12 volts 0.2 seconds with following operation
* Door lock control SW unlocked
* Door lock control SW locked with the ignition key in cylinder and the front LH door open
(Ignition key reminder function)
* Door lock knob locked with the ignition key in cylinder and the front LH door open
(Ignition key reminder function)
* Unlocking the front LH, RH door cylinder with key
D7, D8 DOOR COURTESY SW FRONT LH,RH
1±GROUND : Closed with the each door open
D11, D12 DOOR KEY LOCK AND UNLOCK SW FRONT LH,RH
1±2 : Closed with the door lock cylinder locked with key
1±3 : Closed with the door lock cylinder unlocked with key
D14, D15 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW FRONT LH,RH
1±4 : Closed with the door lock knob UNLOCK position
U1 UNLOCK WARNING SW
1±2 : Closed with the ignition key in cylinder
SYSTEM OUTLINE
SERVICE HINTS

Page 4108 of 4592

TOYOTA CAMRY 1999 Service Repair Manual : PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
D732D1732J29B31
D832I12A30J31A31
D1132J531J32B31
D1232J931J3332
D1332J10A31J3432
D1432J11B31J3532
D1532J2731P833
D1632J28A31U131
�� : JUNCT

Page 4109 of 4592

TOYOTA CAMRY 1999 Service Repair Manual ELECTRONICALLY CONTROLLED TRANSMISSION AND A/T INDICATOR
72K
NO. 2
LOCK±UPNO. 1
B E 1
ELECTRONICALLY CONTROLLED
TRANSMISSION SOLENOIDAB 20A
EFI FROM POWER SOURCE SYSTEM (
SEE PAGE 44)
2J 8 3 15
2F 42

Page 4110 of 4592

TOYOTA CAMRY 1999 Service Repair Manual B
ENGINE CONTROL MODULE, 15A
STOP
1C 7
1R 4
1R 51 2
A 4A19 A18 A17 A9
C 13 C22 A7
ECIF1 1110A
GAU GE FROM POWER SOURCE SYSTEM (
SEE PAGE 44)
1J 11D2
B 14 C7
B 15 C6A12 IG2 2
IH1 7IH12 B A
A CA C
C D

Page 4111 of 4592

TOYOTA CAMRY 1999 Service Repair Manual ELECTRONICALLY CONTROLLED TRANSMISSION AND A/T INDICATOR
A 6A11 A7A10 A8A9
B 16
IE IG2 5IG26IG29IH11IG33IG24
IF1 16 IF113 IF114 IF115 LL 2L DL NL RL PL
43109872
1V 5
1H 10 EE
DDA
AA E
DA
A L±WR±L
W�

Page 4112 of 4592

TOYOTA CAMRY 1999 Service Repair Manual The electronically controlled transmission, however, electrically controls the line pressure and lock±up pressure etc., through
the solenoid valve. Engine control module controls of the solenoid valv

The electronically controlled transmission, however, electrically controls the line pressure and lock±up pressure etc., through
the solenoid valve. Engine control module controls of the solenoid valve based on the input signals from each sensor which
makes smooth driving possible by shift selection for each gear which is most appropriate to the driving conditions at that
time.
1. GEAR SHIFT OPERATION
During driving, the engine control module selects the shift for each gear which is most appropriate to the driving conditions,
based on input signals from the engine coolant temp. sensor to TERMINAL THW of the engine control module, and also the
input signals to TERMINAL SPD of the engine control module from the vehicle speed sensor devoted to the electronically
controlled transmission. Current is then output to the electronically controlled transmission solenoid. When shifting to 1st
gear, current flows from TERMINAL S1 of the engine control module to TERMINAL (B) 3 of the solenoid to GROUND, and
continuity to the No.1 solenoid causes the shift.
For 2nd gear, current flows from TERMINAL S1 of the engine control module to TERMINAL (B) 3 of the solenoid to
GROUND, and from TERMINAL S2 of the engine control module to TERMINAL (B) 1 of the solenoid to GROUND, and
continuity to solenoids No.1 and No.2 causes the shift.
For 3rd gear, there is no continuity to No.1 solenoid, only to No.2, causing the shift.
Shifting into 4th gear (Overdrive) takes place when there is no continuity to either No.1 or No.2 solenoid.
2. LOCK±UP OPERATION
When the engine control module judges from each signal that lock±up operation conditions have been met, current flows
from TERMINAL SL of the engine control module to TERMINAL (A) 1 of the electronically controlled transmission solenoid to
GROUND, causing continuity to the lock±up solenoid and causing lock±up operation.
3. STOP LIGHT SW CIRCUIT
If the brake pedal is depressed (Stop light SW on) when driving in lock±up condition, a signal is input to TERMINAL STP of
the engine control module, the engine control module operates and continuity to the lock±up solenoid is cut.
4. OVERDRIVE CIRCUIT
*O/D main SW on
When the O/D main SW is turned on (O/D off indicator light turns off), a signal is input into TERMINAL OD2 of the engine
control module and engine control module operation causes gear shift when the conditions for overdrive are met.
*O/D main SW off
When the O/D main SW is turned to off, the current through the O/D off indicator light flows through the O/D main SW to
GROUND, causing the indicator light to light up. At the same time, a signal is input into TERMINAL OD2 of the engine
control module and engine control module operation prevents shift into overdrive.
E4 (A), E5 (B), E6 (C) ENGINE CONTROL MODULE
S1, S2±E1 :9.0±14.0 volts with the solenoid on
0±1.5 volts with the solenoid off
L±E1 :7.5±14.0 volts with the shift lever at L position
2±E1 :7.5±14.0 volts with the shift lever at 2 position
R±E1 :7.5±14.0 volts with the shift lever at R position
STP±E1 :9.0±14.0 volts with the brake pedal depressed
THW±E2 :0.2±1.0 volts with the ignition SW on and coolant temp. 80°C (176°F)
VTA±E2 :0.3±0.8 volts with the throttle valve fully closed
3.2±4.9 volts with the throttle valve fully opened
VC±E2 :4.5±5.5 volts
OD2±E1 :9.0±14.0 volts with the O/D main SW turned on
0±3.0 volts with the O/D main SW turned off
+B±E1 :9.0±14.0 volts
O2 O/D MAIN SW
2±4 : Closed with the O/D main SW off, open with the O/D main SW on
SYSTEM OUTLINE
SERVICE HINTS

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