TOYOTA CAMRY 2000 Service Repair Manual

I00140
GND
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±911
1146 Author: Date:
3 Check resistance between terminal GND of cruise control ECU connector and
body ground.
CHECK:
Measure resistance between terminal GND of ECU connector
and body ground.
OK:
Resistance: Below 1 W
NG Repair or replace harness or connector.
OK
Check and repair harness and connector be-
tween cruise control ECU and battery
(See page IN±31).

AB0119
I00145
I00177
ON
CMS
(±) (+)
DI±912
± DIAGNOSTICSCRUISE CONTROL SYSTEM
1147 Author: Date:
Main Switch Circuit (Cruise Control Switch)
CIRCUIT DESCRIPTION
When the cruise control main switch is turned OFF, the cruise control does not operate.
WIRING DIAGRAM
See page DI±892.
INSPECTION PROCEDURE
1 Check voltage between terminal CMS of cruise control ECU connector and body
ground.
PREPARATION:
(a) Remove the ECU with connector still connected.
(b) Turn ignition switch ON.
CHECK:
Measure voltage between terminal CMS of cruise control ECU
connector when main switch is held ON and OFF.
OK:
Main switchVoltage
OFF10 ± 14 V
ONBelow 0.5 V
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI±879).
NG
DI08Z±16

N15969
35
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±913
1148 Author: Date:
2 Check main switch continuity.
PREPARATION:
(a) Remove steering wheel center pad. (See page SR±11)
(b) Disconnect the control switch connector.
CHECK:
Check continuity between terminals 3 and 5 of control switch
connector when main switch is held ON and OFF.
OK:
Switch positionTester connectionSpecified condition
OFF3 ± 5No continuity
Hold ON3 ± 5Continuity
NG Replace control switch.
OK
3 Check harness and connector between cruise control ECU and main switch
(See page IN±31).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU
(See page IN±31).

I00290
Cruise Control ECU
4
PI
O D DJ/C
O IG25
O 10
7
R±L D DJ/C
R±L
Instrument Panel J/B
2
1D
1K1
B±Y4IG1AM1 Ignition Switch
2
W
Instrument Panel J/B
AM1 GAUGE
2
1K 1
1B
B±R 1
ALT FL BLOCK
1
B±G
FL MAIN
BatteryCRUISE MAIN
Indicator Light
(in Combination Meter)
C15
J2
C10
C10 J4
F9
F4 DI±914
± DIAGNOSTICSCRUISE CONTROL SYSTEM
1149 Author: Date:
CRUISE MAIN Indicator Light Circuit
CIRCUIT DESCRIPTION
When the cruise control main switch is turned ON, CRUISE MAIN indicator light lights up.
WIRING DIAGRAM
DI090±17

AB0119
I00144
I00178
ON
PI
(±) (+)
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±915
1150 Author: Date:
INSPECTION PROCEDURE
1 Check voltage between terminals PI and GND of cruise control ECU connector.
PREPARATION:
Tun ignition switch ON.
CHECK:
Measure voltage between terminals PI and GND of cruise con-
trol ECU connector when main switch is ON and OFF.
OK:
Switch positionVoltage
OFF10 ± 16 V
ONBelow 1.2 V
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI±879).
NG
2 Check combination meter (See page BE±2).
NG Replace combination meter.
OK
Check and replace cruise control ECU
(See page IN±31).

I00291
Cruise Control ECU
4
PI
5
TC O
LG±R D DJ/C
J/C
B
B B O
LG±R 10
4DLC2
II3 11
C15
LG±R*1
11 DLC1
C15
J2
D4 D4
J3
D1LG±R
P±B
*2
*1: TMC Made, TMMK Made (5S±FE)
*2: TMMK Made (1MZ±FE) DI±916
± DIAGNOSTICSCRUISE CONTROL SYSTEM
1151 Author: Date:
Diagnosis Circuit
CIRCUIT DESCRIPTION
This circuit sends a signal to the ECU that outputs DTC.
WIRING DIAGRAM
DI091±11

AB0119
I00169
I00179
ON
TC E1
± DIAGNOSTICSCRUISE CONTROL SYSTEM
DI±917
1152 Author: Date:
INSPECTION PROCEDURE
1 Check voltage between terminals Tc and E1 of DLC2.
PREPARATION:
Turn ignition switch ON.
CHECK:
Measure voltage between terminals Tc and E1 of DLC2.
OK:
Voltage: 10 ± 14 V
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI±879).
NG
2 Check harness and connector between cruise control ECU and DLC2, DLC2 and
body ground (See page IN±31).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU
(See page IN±31).

DI±918
± DIAGNOSTICSCRUISE CONTROL SYSTEM
1153 Author: Date:
Actuator Control Cable
INSPECTION PROCEDURE
1 Actuator control cable inspection
OK:
(a) Check that the actuator and control cable throttle link are properly installed and that the cable and link
are connected correctly.
(b) Check that the actuator and bell crank operate smoothly.
(c) Check that the cable is not loose or too tight.
OK:
Freeplay: less than 10 mm
HINT:

If the control cable is very loose, the vehicle's loss of speed going uphill will be large.

If the control cable is too tight, the idle RPM will become high.
DI092±07

DI1KE±04
Vehicle Brought to Workshop
Customer Problem Analysis
Check and Clear DTC (Precheck)Items inside
are titles of pages in this manual,
with the page number in the bottom portion. See
the pages for detailed explanations.
Problem Symptom ConfirmationSymptom Simulation
Symptom
does not occur
Symptom
occurs
DTC Check
Circuit Inspection and part Inspection
DTC ChartMalfunction codeProblem Symptoms Table
Identification of Problem
Normal code
Repair
Confirmation Test
End
1
2
3
4
5
67
8
9
10
Step 2, 5 :Diagnostic steps permitting the use of the
TOYOTA hand±held tester or TOYOTA
break±out±box.
P. DI±920
P. DI±921
P. IN±21
P. DI±927 P. DI±921
P. DI±924
P. DI±928 ± DI±935
± DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI±919
1154 Author: Date:
ENGINE IMMOBILISER SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Troubleshooting in accordance with the procedure on the following pages.

DI1KF±04
ENGINE IMMOBLISER Check SheetInspector 's
Name:
Customer 's Name
Date Vehicle
Brought InRegistration YearRegistration No.
Frame No.
Odometer Reading/ /
/ /
Date Problem First Occurred
Frequency Problem Occurs/ /
ContinuousIntermittent ( times a day)
DTC Check1st Time
2nd TimeNormal Code
Malfunction Code (Code )
Normal CodeMalfunction Code (Code )
Symptomskm
miles
Engine does not start.
Check ItemMalfunction
Indicator LampNormal
Remains ON Does not Light Up
Immobiliser is not set.
(Engine starts with key codes other than the registered key code.)
DI±920
± DIAGNOSTICSENGINE IMMOBILISER SYSTEM
1155 Author: Date:
CUSTOMER PROBLEM ANALYSIS CHECK