1999 TOYOTA CAMRY Service Repair Manual

Page 2489 of 4592

TOYOTA CAMRY 1999  Service Repair Manual Input SignalIndicator Light
Blinking Pattern
Drive at about 
40 km/h (25 mph)
or below
Drive at about 
40 km/h (25 mph)
or higherLightON
OFF
LightON
OFF
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±337
INS

Page 2490 of 4592

TOYOTA CAMRY 1999  Service Repair Manual DI±338
± DIAGNOSTICSCRUISE CONTROL SYSTEM
4 Check vehicle speed sensor (See Pub. No. RM654U on page BE±47).
NG Replace vehicle speed sensor.
OK
Check and replace cruise control ECU
(See page IN±29

Page 2491 of 4592

TOYOTA CAMRY 1999  Service Repair Manual ± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±339
DTC 23 Vehicle Speed Signal Abnormal
CIRCUIT DESCRIPTION
See page DI±336.
DTC No.DTC Detecting ConditionTrouble Area
23Vehicle speed sensor pulse is abnorm

Page 2492 of 4592

TOYOTA CAMRY 1999  Service Repair Manual I00283
Cruise Control ECU
CMS
CCS
GND
CMS
W±L
W±B
W Cruise Control Switch
 Main Switch
 Control Switch
1J
78
W±B5
4
3
W±B MAIN
CANCEL
SET/COAST
RES/ACC
A11
10
16 CCS
EP
J6
J6J7 AJ/C
A
A
1J
W±B

Page 2493 of 4592

TOYOTA CAMRY 1999  Service Repair Manual Input SignalIndicator Light
 Blinking Pattern
SET/COAST
switch
RESUME/ACCEL
switch
CANCEL switch2 Pulses
ON
OFF
ON
OFF3 Pulses
ON
OFFSW OFF
SW ON
AB0119
I00168
I00171
ON
CCS
(±) (+)
± DIAGNOSTICSCRU

Page 2494 of 4592

TOYOTA CAMRY 1999  Service Repair Manual N16045
3 4
DI±342
± DIAGNOSTICSCRUISE CONTROL SYSTEM
3 Check control switch.
PREPARATION:
(a) Remove steering wheel center pad.
(b) Disconnect the control switch connector.
CHECK:
Measure resistance

Page 2495 of 4592

TOYOTA CAMRY 1999  Service Repair Manual N21220
Cruise Control ECU
IDL 13
L±R ECM
IDLOE43
C16
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±343
DTC 51 Idle Signal Circuit
CIRCUIT DESCRIPTION
When the idle switch is turned ON, a signal is sent to

Page 2496 of 4592

TOYOTA CAMRY 1999  Service Repair Manual AB0119
I00167
I00172
ON
IDL
(±) (+)
DI±344
± DIAGNOSTICSCRUISE CONTROL SYSTEM
INSPECTION PROCEDURE
1 Check voltage between terminal IDL of cruise control ECU connector and body
ground.
PREPARATION: