1999 TOYOTA CAMRY Service Repair Manual

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Page 2473 of 4592

TOYOTA CAMRY 1999 Service Repair Manual N17520
N17520
N17520
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±321
4. PROBLEM SYMPTOM CHECK (ROAD TEST)
(a) Inspect the SET switch.
(1) Push the main switch ON.
(2) Drive at a desired speed (40 km/h (25

Page 2474 of 4592

TOYOTA CAMRY 1999 Service Repair Manual N17520
N17520
DI±322
± DIAGNOSTICSCRUISE CONTROL SYSTEM
(d) Inspect the CANCEL switch.
(1) Push the main switch ON.
(2) Drive at a desired speed (40 km/h (25 mph) or high-
er).
(3) When operating on

Page 2475 of 4592

TOYOTA CAMRY 1999 Service Repair Manual N17520
(1)
(2)
(1)
No.Operation MethodCRUISE MAIN Indicator Light
Blinking PatternDiagnosis
1 Turn SET/COAST switch ON
2Turn RES/ACC switch ON
3Turn CANCEL switch ON
Turn stop light switch ON
Depress

Page 2476 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DI08I±09
DI±324
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DIAGNOSTIC TROUBLE CODE CHART
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table
below a

Page 2477 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DI08J±09
I08453
Stop Light SwitchCruise Control Actuator
Actuator Motor
Actuator Magnetic Clutch
Cruise Control ECUCruise Control switch
Main Switch
Control Switch
DLC2 Instrument Panel Junct

Page 2478 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DI1KT±07
I00293
C16
DI±326
± DIAGNOSTICSCRUISE CONTROL SYSTEM
TERMINALS OF ECU
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
STP± e GND GWWBDepress brake pedal10 ± 16 VSTP e GND
(C

Page 2479 of 4592

TOYOTA CAMRY 1999 Service Repair Manual ± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±327
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
CMS e GND WLWB
Ignition switch ON
Main switch OFF10 ± 16 VCMS e GND
(C16±11 e C16±16)W±L e

Page 2480 of 4592

TOYOTA CAMRY 1999 Service Repair Manual DI08L±14
DI±328
± DIAGNOSTICSCRUISE CONTROL SYSTEM
PROBLEM SYMPTOMS TABLE
SymptomSuspect AreaSee page
SET not occourring or CANCEL occurring.
(DTC is Normal)
1. Main Switch Circuit
(Cruise control

DI08L±14
DI±328
± DIAGNOSTICSCRUISE CONTROL SYSTEM
PROBLEM SYMPTOMS TABLE
SymptomSuspect AreaSee page
SET not occourring or CANCEL occurring.
(DTC is Normal)
1. Main Switch Circuit
(Cruise control switch)
2. Vehicle Speed Sensor
3. Control Switch Circuit
(Cruise control switch)
4. Stop Light Switch Circuit
5. Park/Neutral Position Switch Circuit
6. Actuator Motor Circuit
7. Cruise Control Cable
8. Cruise Control ECU
DI±358
DI±336
DI±340
DI±346
DI±352
DI±329
DI±364
IN±29
SET not occurring or CANCEL occurring.
(DTC dose not output)1. ECU Power Source Circuit
2. Cruise Control ECUDI±355
IN±29
Actual vehicle speed deviates above or below the set speed.
1. Cruise Control Cable
2. Vehicle Speed Signal Abnormal
3. Electronically Controlled Transmission
Communication Circuit
4. Actuator Motor Circuit
5. Idle Signal Circuit
(Main throttle position sensor)
6. Cruise Control ECUDI±364
DI±339
DI±349
DI±329
DI±343
IN±29
Gear shifting frequent between 3rd O/D when driving on uphill
road. (Hurting)1. Electronically Controlled Transmission
Communication Circuit
2. Cruise Control ECU
DI±349
IN±29
Cruise control not cancelled, even when brake pedal is de-
pressed.
1. Cruise Control Cable
2. Stop Light Switch Circuit
3. Actuator Motor Circuit
4. Cruise Control ECUDI±364
DI±346
DI±329
IN±29
Cruise control not cancelled, even when transmission is shifted to
ºNº postion.
1. Cruise Control Cable
2. Park/Neutral Position Switch Circuit
3. Actuator Motor Circuit
4. Cruise Control ECUDI±364
DI±352
DI±329
IN±29
Control switch does not operate.
(SET/COAST, ACC/RES, CANCEL not possible)
1. Cruise Control Cable
2. Control Switch Circuit
3. Actuator Motor Circuit
4. Cruise Control ECUDI±364
DI±340
DI±329
IN±29
SET possible at 40 km/h (25 mph) or less, or CANCEL does not
operate at 40 km/h (25 mph) or less.
1. Cruise Control Cable
2. Vehicle Speed Signal Abnormal
3. Actuator Motor Circuit
4. Cruise Control ECUDI±364
DI±339
DI±329
IN±29
Poor response is in ACCEL and RESUME modes.
1. Cruise Control Cable
2. Electronically Controlled Transmission
Communication Circuit
3. Actuator Motor Circuit
4. Cruise Control ECUDI±364
DI±349
DI±329
IN±29
O/D does not resume, even though the road is not uphill.
1. Electronically Controlled Transmission
Communication Circuit
2. Cruise Control ECU
DI±349
IN±29
DTC memory is erased.1. Cruise Control ECUIN±29
DTC is not output, or is output when should not be.1. Diagnosis Circuit
2. Cruise Control ECUDI±362
IN±29
Cruise MAIN indicator light remains ON or falls to light up.1. Cruise MAIN Indicator Light Switch CircuitDI±360

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