key TOYOTA LAND CRUISER 1986 Factory Owner's Guide
[x] Cancel search | Manufacturer: TOYOTA, Model Year: 1986, Model line: LAND CRUISER, Model: TOYOTA LAND CRUISER 1986Pages: 3115, PDF Size: 54.88 MB
Page 1442 of 3115
DIB5X-02
I27347
U1
Unlock Warning SWCowl Side J/B RH
KSW 3E25
R-B
R-B10
3E23
3P3
3P1
3P2
3P1
W-B W-B
W-B
2E 18
IF Set Bolt of Cowl Side J/B LH21W-BGND 14 T19
Transponder Key ECU DI-1014
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
1207 Author: Date:
2004 LAND CRUISER (RM1071U)
CIRCUIT INSPECTION
DTC B2780 Key Unlock Warning Switch Malfunction
CIRCUIT DESCRIPTION
This DTC is detected when the Transponder key ECU does not detect the key unlock warning switch ON
even with the ignition switch ON. (In normal condition, the key unlock warning switch should be ON when
the ignition switch is ON.)
DTC No.DTC Detecting ConditionTrouble Area
B2780The key unlock warning switch On is not detected when the
ignition switch is ON.Key unlock warning switch
Wire harness
WIRING DIAGRAM
Page 1443 of 3115
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI-1015
1208 Author: Date:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
HINT:
In case of using the hand-held tester, start the inspection from step 1 and in case of not using the hand-held
tester, start from step 2.
1 Check key unlock warning switch using hand-held tester.
PREPARATION:
Connect the hand-held tester to the DLC3.
CHECK:
Check the key unlock warning switch using DATA LIST.
OK Go to step 4.
NG
2 Check key unlock warning switch (See page BE-29).
NG Replace the key unlock warning switch.
OK
3 Check wire harness and connector between key unlock warning switch and
transponder key ECU (See page IN-36).
NG Repair or replace wire harness or connector.
OK
Replace transponder key ECU.
Page 1444 of 3115
DI-1016
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
1209 Author: Date:
2004 LAND CRUISER (RM1071U)
4 Check whether or not DTC is detected when DTC is cleared, key is inserted into
ignition key cylinder and IG SW is turned ON. (See page DI-1004).
RESULT:
OKB2780 is not output.
NGB2780 is output.
NG Replace Transponder Key ECU).
OK
No problem at this time.
It is suspected that DTC was detected for
some reason in the past.
Page 1445 of 3115
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI-1017
1210 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B2784 TRANSPONDER KEY COIL MALFUNCTION
CIRCUIT DESCRIPTION
This DTC is output when short or open of the key coil built in the transponder key amplifier is detected.
DTC No.DTC Detecting ConditionTrouble Area
B2784Transponder key coil malfunctionTransponder key amplifier with coil
INSPECTION PROCEDURE
Replace key.
DIB5Y-01
Page 1446 of 3115
DI1AK-22
ENGINE IMMOBILISER 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.)
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI-1003
1196 Author: Date:
2004 LAND CRUISER (RM1071U)
CUSTOMER PROBLEM ANALYSIS CHECK
Page 1447 of 3115
DI1AM-29
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI-1007
1200 Author: Date:
2004 LAND CRUISER (RM1071U)
DIAGNOSTIC TROUBLE CODE CHART
DTC No.
(SEE PAGE)Circuit InspectionTrouble Area
B2780
(DI-1014)Key unlock warning switch malfunctionKey unlock warning switch
Wire harness
B2784
(DI-1017)Transponder key coil malfunctionTransponder key amplifier with coil
B2793
(DI-1018)Transponder chip malfunctionKey
B2794
(DI-1019)Unmatched encryption codeKey
Transponder key amplifier
B2795
(DI-1020)Unmatched key codeKey
Unregistered key inserted before
B2796
(DI-1021)No communication in immobiliser system
Key
Transponder key amplifier with coil
Wire harness
Transponder key ECU
B2797
(DI-1023)Communication malfunction No.1
Key
Wire harness
Transponder key amplifier with coil
Transponder key ECU
B2798
(DI-1026)Communication malfunction No.2
Key
Transponder key amplifier with coil
Wire harness
Transponder key ECU
B2799/99
(DI-1026)Engine immobiliser system malfunction
Wire harness
Transponder key ECU
ECM
HINT:
To reduce the unnecessary exchange of Transponder key ECU, check that a trouble occurs with the original
Transponder key ECU at the time of exchanging Transponder key ECU and the trouble will disappear with
a new Transponder key ECU.
Page 1449 of 3115
DI3CE-03
I26015
Cowl Side J/B LH
IGN FuseECM Engine Room R/B
EFI Fuse
DLC3
Transponder Key
Amprifier w/coil
Transponder Key ECU DI-1008
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
1201 Author: Date:
2004 LAND CRUISER (RM1071U)
PARTS LOCATION
Page 1452 of 3115
I02680
Malfunction Code (Example Code 12, 99)
0.5 Sec. 0.5 Sec.
1.5 Sec. 2.5 Sec.
One Cycle4.5 Sec. DI-1006
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
1199 Author: Date:
2004 LAND CRUISER (RM1071U)
(4) When DTC º99º is output, there is a trouble of
immobiliser. Start troubleshooting referring to
PROBLEM SYMPTOMS TABLE.
(5) After completing the check, disconnect terminals 11
(TC) and 3 (E1) and turn off the display.
HINT:
In the event of 2 or more malfunction codes, indication will begin
from the smaller numbered code and continue in order to the
larger.
(c) Clear the DTC.
The following operations will erase the DTCs and freeze
frame data.
(1) Operating the hand-held tester to erase the codes
(See the hand-held tester instruction book for oper-
ating instructions.).
(2) Disconnecting the battery terminals or EFI fuse.
3. CHECK HAND-HELD TESTER
(a) ECU DATA MONITOR
(1) Make a judgement of good or bad and find out a malfunctioning part by the data monitor.
Standard:
TRANSPONDER KEY ECU
ItemConditionSpecified Condition
IMMOBILISERIgnition switch ON " When key is not inserted in
the ignition switch cylinderUNSET/SET
MASTER KEYIgnition switch ON with master key " Pull out
key from ignition switch cylinderCORRESP/WRONG
SUB KEYIgnition switch ON with sub-key " Pull out key
from ignition switch cylinderCORRESP/WRONG
REGIST MAS CODE-0 - 3
REGIST SUB CODE-0 - 1
KEY SWIgnition switch ON "Without keyON/OFF
IG SWIgnition switch ON "OFFON/OFF
(b) ACTIVE TEST
(1) Make a judgement of good or bad and find out a malfunctioning part by the active test.
Standard:
TRANSPONDER KEY ECU
ItemOperation
SECURITY INDICON / OFF
Page 1453 of 3115
DI1AP-34
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI-1013
1206 Author: Date:
2004 LAND CRUISER (RM1071U)
PROBLEM SYMPTOMS TABLE
SymptomSuspect AreaSee page
Immobiliser is not set.
(Engine starts with key codes other than the registered key code.)1. Transponder key ECUIN-36
Engine does not start.
1. Key
2. Wire harness
3. Transponder key coil
4. Amplifier
5. Transponder key ECU
6. ECM*1
IN-36
BE-196
IN-36
Security indicator is always ON.
1. Multi-display (security indicator)
2. Wire harness
3. Transponder key ECU*2
IN-36
IN-36
Security indicator is always ON.
(Although code has been registered in the automatic registration
mode, indicator is not OFF.)1. Wire harness
2. Transponder key amplifier with coil
3. Transponder key ECUIN-36
BE-196
IN-36
Security indicator is OFF.
(When DTC of immobiliser is output)1. Wire harness
2. Transponder key amplifier with coil
3. Transponder key ECUIN-36
BE-196
IN-36
Security indicator is OFF.
(When DTC of immobiliser is not output)
1. Multi-display (security indicator)
2. Diagnosis circuit
3. Wire harness
4. Transponder key ECU
IN-36
IN-36
Security indicator is abnormally blinking.1. Wire harness
2. Transponder key ECUIN-36
IN-36
No code is output.1. Power source circuit
2. Transponder key ECUDI-1031
IN-36
*1 : Check that the key which did not start the engine has been registered and that it is possible to start with
other already registered key.
*2 : Finish the automatic registration mode because the mode might still remain.
Page 1454 of 3115
DIB5W-01
I25609
T19
- DIAGNOSTICSENGINE IMMOBILISER SYSTEM
DI-1009
1202 Author: Date:
2004 LAND CRUISER (RM1071U)
TERMINALS OF ECM
1. TRANSPONDER KEY ECU
(a) Disconnect the transponder key ECU connector.
Standard:
Symbols (Terminal No.)Wiring ColorConditionSpecified condition
T19-14 Body ground
(GND
Body ground)W-B e Body groundConstantContinuity
T19-1 T19-14
(+B
GND)L-W e W-BConstant10 - 14 V
T19-2 T19-14
(IG
GND)B-R e W-BIgnition switch OFF "ON0 V " 10 - 14 V
T19-10 T19-14
(KSW
GND)R-B e W-BNo key in the ignition key cylinder " With keyNo Continuity " Continuity
T19-4 T19-14
(CTY
GND)R-Y eW-BDriver's door close " openNo Continuity " Continuity
T19-10 T19-14
(KSW
GND)R-B e W-BNo key in the ignition key cylinder " With key10 - 14 V " 0 V
T19-8 T19-14
(VC5
GND)Y e W-BIgnition switch OFF "ON0 V " 5 V
T19-12 T19-14
(TXCT
GND)V-G e W-BIgnition switch OFF "ONWaveform 1
T19-1 1 T19-14
(CODE
GND)L-B e W-BIgnition switch OFF "ONWaveform 2
T19-6 T19-14
(EFIO
GND)W e W-BIgnition switch OFF "ONWaveform 3
T19-7 T19-14
(EFII
GND)Y e W-BIgnition switch OFF "ONWaveform 4
T19-3 T19-14
(IND
GND)G-R e W-BImmobiliser system unset " set0 V "
10 - 14 V e 0 V
T19-4 T19-14
(CTY
GND)R-Y e W-BDriver's door close " open10 - 14 V " 0 V