ABS TOYOTA LAND CRUISER 1986 Factory Repair Manual

Physical address: 190 Radio receiver assembly
Diagnosis item
ROM Error
Absence of
MasterDiagnosis contentCountermeasure and
inspected parts
Error is detected in internal ROM. Logical address
01
(Communication
Control)
01 *2
(Communication
Control)Component in which this code is re-
corded has been disconnected from
system with ignition in ACC or ON.
Or, when this code was recorded, ra-
dio receiver assembly was discon-
nected.
Check harness for power supply
system of radio receiver assembly.

Check harness for communica-
tion system of radio receiver as-
sembly.
DTC
21
D6Replace radio receiver assembly.
RAM Error Error is detected in internal RAM. 01
(Communication
Control)22Replace radio receiver assembly.
No Response
to Connection
Check 01 *3
(Communication
Control)Component shown by auxiliary code
is or had been disconnected from
system after engine start.
D9
Check harness for power supply
system of component shown by
auxiliary code.

Check harness for communica-
tion system of component shown by
auxiliary code. D8
Last Mode Error 01 *2
(Communication
Control)Component operated (sounds and/
or images were provided) before en-
gine stop is or has been discon-
nected with ignition switch in ACC or
ON.
Check harness for power supply
system of component shown by
auxiliary code.

Check harness for communica-
tion system of component shown by
auxiliary code. D9
No Response
to ON/OFF
InstructionNo response is identified when
changing mode (audio and visual
mode change). Detected when
sound and picture does not change
by button operation. DA 01
(Communication
Control)
Check harness for power supply
of component shown by auxiliary
code.

Check harness for communica-
tion system of component shown by
auxiliary code.

If error occurs again, replace
component shown by auxiliary
code.
HINT:
*1: Even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.
*2: It may be stored when the engine key is turned 1 min. angain after engine start.
*3: It may be stored when the engine key is turned again after engine start.
*4: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition
switch in ACC or ON, this code is stored.
Mode Status
Error DB 01 *2
(Communication
Control)Dual alarm is detected.
Check harness for power supply
of component shown by auxiliary
code.

Check harness for communica-
tion system of component shown by
auxiliary code.
- BODY ELECTRICALAUDIO SYSTEM
BE-141
2514 Author
: Date
:
2004 LAND CRUISER (RM1071U)
3. DIAGNOSIS CODE LIST
w/ Navigation system (See page)

EJECT
Malfunction 41 61
(Cassette
switch)Malfunction due to mechanical fail-
ure.Replace radio receiver assembly.
63 (In-dash CD
auto changer)42 No Disc
ReadoutDisc cannot be read. Inspect CD.
63 (In-dash CD
auto changer)44
CD Error
Error is detected in CD auto
changer.Replace radio receiver assembly.
Physical address: 440 Strereo component amplifier
01
(Communica-
tion Control)22 RAM Error
01
(Communica-
tion Control)D6
*1Absence of
MasterComponent in which this code is re-
corded has been disconnected from
system with ignition in ACC or ON.
Or, when this code was recorded, ra-
dio receiver assembly was discon-
nected.
Check harness for power supply of
radio receiver assembly.

Check harness for communication
system of radio receiver assembly.

Check harness for power supply of
stereo component amplifier.

Check harness for communication
system of stereo component ampli-
fier. HINT:
*1: Even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.
*2: It may be stored when the engine key is turned 1 min. angain after engine start.
*3: It may be stored when the engine key is turned again after engine start.
*4: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition
switch in ACC or ON, this code is stored.
Logical addressDTC
Diagnosis itemDiagnosis content
Countermeasure and inspeced parts
01
(Communica-
tion Control)21 ROM Error Abnormal condition of ROM is
detected.Replace stereo component
amplifier.
Abnormal condition of RAM is
detected.Replace stereo component
amplifier.
63
(In-dash CD auto
Changer)45EJECT Error
CD cannot be ejected.
Replace radio receiver assembly.
63
(In-dash CD auto
Changer)47 CD High Temp.
High temperature is detected in
CD auto changer.Replace radio receiver assembly.
63
(In-dash CD auto
Changer)48CD Excess
CurrentExcess current is applied to CD
auto changer.Replace radio receiver assembly.
Mechanical or
Media Error 40 61
(Cassette
switch)Inspect cassette tape. Malfunction due to mechanical fail-
ure is identified. Or, cassette tape is
cut or entangled.
- BODY ELECTRICALAUDIO SYSTEM
BE-143
2516 Author
: Date
:
2004 LAND CRUISER (RM1071U)

Physical address: 1F4 RSA Panel (Main AVC-LAN)
01
(Communica-
tion Control)D6
*1Absence of
MasterComponent in which this code is re-
corded has been disconnected from
system with ignition in ACC or ON.
Or, when this code was recorded, ra-
dio receiver assembly was discon-
nected.
Check harness for power supply of
radio receiver assembly.

Check harness for communication
system of radio receiver assembly.

Check harness for power supply of
RSA panel.

Check harness for communication
system of RSA panel. HINT:
*1: Even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.
*2: It may be stored when the engine key is turned 1 min. angain after engine start.
*3: It may be stored when the engine key is turned again after engine start.
*4: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition
switch in ACC or ON, this code is stored.
Logical addressDTC
Diagnosis itemDiagnosis content
Countermeasure and inspeced parts
Transmission
Error DC
*2 01
(Communication
Control)Transmission to component shown
by auxiliary code has bee failed.
(This code does not necessarily
mean actual failure.)If same auxiliary code is recorded in
other component(s), check harness
for power supply and communica-
tion system of components shown
sub code.
Master Reset
(Momentary
Interruption) DD
*3 01
(Communication
Control)
Check harness for power supply
of radio receiver assembly.

Check harness for communica-
tion system of radio receiver as-
sembly.

If error occurs frequently, replace
radio receiver assembly.
Registration
Completion
Instruction
Error E0
*1 01
(Communication
Control)ºRegistration Completion Instruc-
tionº command fromradio receiver
assembly cannot be received.Since this DTC is provided for engi-
neering, it may be detected when
no actual failure exists.
Registration
Request
Transmission E3 01
(Communication
Control)Since this DTC is provided for engi-
neering, it may be detected when
no actual failure exists.
Registration Request command
is output from slave component.

By reception of connection check
Instruction, Registration Request
command is output from sub-mas-
ter component. After engine is started, radio receiv-
er assembly was disconnected
from system.
Master Error DF
*4 01
(Communication
Control)Due to defective condition of com-
ponent with a display, master func-
tion is switched to audio equip-
ment . Error occurs in communica-
tion between sub-master (audio)
and master component.
Check harness for power supply
of radio receiver assembly.

Check harness for communica-
tion system of radio receiver as-
sembly.

Check harness for communica-
tion system between radio receiver
assembly and sub-master compo-
nent.
01*6
(Communica-
tion Control)D7 Connection
Check ErrorComponent in which this code is re-
corded has been disconnected from
system after engine start.
Or, when this code was recorded,
radio receiver assembly was dis-
connected.
Check harness for power supply of
radio receiver assembly.

Check harness for communication
system of radio receiver assembly.

Check harness for power supply of
RSA panel.

Check harness for communication
system of RSA panel.
- BODY ELECTRICALAUDIO SYSTEM
BE-145
2518 Author
: Date
:
2004 LAND CRUISER (RM1071U)

Physical address: 1A0 DVD Auto Player
HINT:
*1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting
an engine.
*2: This code may be stored when the engine key is turned again 1 min. after engine start.
*3: This code may be stored when the engine key is turned again after engine start.
*4: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition
switch in ACC or ON, this code is stored.
Logical addressDTC
Diagnosis itemDiagnosis content
Countermeasure and inspeced parts
01
(Communica-
tion Control)D6
*1Absence of
MasterComponent in which this code is re-
corded has been disconnected from
system with ignition in ACC or ON.
Or, when this code was recorded,
RSA Panel was disconnected.
Check harness for power supply of
RSA Panel.

Check harness for communication
system of RSA Panel.

Check harness for power supply of
DVD player.

Check harness for communication
system of DVD player.
01
(Communica-
tion Control)D7
Component in which this code is re-
corded is was disconnected from
system after engine start. Or, when
recorded this code, RSA Panel was
disconnected.
Check harness for power supply of
RSA Panel.

Check harness for communication
system of RSA Panel.

Check harness for power supply of
DVD player.

Check harness for communication
system of DVD player.
Transmission
Error DC
01 *4
(Communication
Control)Transmission to component shown
by sub-code has been failed. (De-
tecting this DTC does not neces-
sary mean actual failure.)
If same sub-code is recorded in
other component, check harness
for power supply and communica-
tion system of components shown
sub code.
Communication
Check Error
Master Reset
(Momentary
Interruption) DD
*3 01
(Communication
Control)
Registration
Completion
Instruction
Error E0
*1 01
(Communication
Control)ºRegistration Completion Instruc-
tionº command from master cannot
be received.Since this DTC is provided for engi-
neering purpose, it may be detected
when no actual failure exists. After engine is started, radio receiv-
er assembly assembly was discon-
nected from system.
Master Error DF
*4 01
(Communication
Control)Due to defective condition of com-
ponent with a display, master func-
tion is switched to audio equip-
ment . Error occurs in communica-
tion between sub-master (audio)
and master component.
Check harness for power supply of
RSA Panel.

Check harness for communication
system of RSA Panel.

Check harness for power supply of
DVD player.

Check harness for communication
system of DVD player.

Check harness for power supply of
RSA Panel.

Check harness for communication
system of RSA Panel.

Check harness for communication
system between RSA Panel.
- BODY ELECTRICALAUDIO SYSTEM
BE-147
2520 Author
: Date
:
2004 LAND CRUISER (RM1071U)

ON/OFF
Instruction
Parameter
Error E2 01
(Communication
Control)Error is detected in ON/OFF control
command from DVD player.Replace DVD player.
Registration
Request
Transmission E3 01
(Communication
Control)Since this DTC is provided for engi-
neering, it may be detected when
no actual failure exists.
Registration Request command
is output from slave component.

Registration connection check
Instruction, Registration Request
command is output from sub-mas-
ter component.
Multiple Frame
Abort E4 01
(Communication
Control)
Multiple frame transmission is
aborted.Since this DTC is provided for engi-
neering purpose, it may be detected
when no actual failure exists.
01
(Communica-
tion Control)22 RAM ErrorAbnormal condition of RAM is
detected.Replace DVD player.
Physical address: 250 (DVD Auto Changer) (Sub AVC-LAN)
01
(Communica-
tion Control)D6
*1Absence of
MasterComponent in which this code is re-
corded has been disconnected from
system with ignition in ACC or ON.
Or, when this code was recorded, ra-
dio receiver assembly was discon-
nected.
Check harness for power supply of
radio receiver assembly.

Check harness for communication
system of radio receiver assembly.

Check harness for power supply of
DVD auto changer.

Check harness for communication
system of DVD auto changer. Logical addressDTC
Diagnosis itemDiagnosis content
Countermeasure and inspeced parts
01*6
(Communica-
tion Control)D7 Connection
Check ErrorComponent in which this code is re-
corded has been disconnected from
system after engine start.
Or, when this code was recorded,
radio receiver assembly was dis-
connected.
Check harness for power supply of
radio receiver assembly.

Check harness for communication
system of radio receiver assembly.

Check harness for power supply of
DVD auto changer.

Check harness for communication
system of DVD auto changer.
Transmission
Error DC
*2 01
(Communication
Control)Transmission to component shown
by auxiliary code has bee failed.
(This code does not necessarily
mean actual failure.)If same auxiliary code is recorded in
other component(s), check harness
for power supply and communica-
tion system of components shown
sub code.
Master Reset
(Momentary
Interruption) DD
*3 01
(Communication
Control)
Check harness for power supply
of radio receiver assembly.

Check harness for communica-
tion system of radio receiver as-
sembly.

If error occurs frequently, replace
radio receiver assembly. After engine is started, radio receiv-
er assembly assembly was discon-
nected from system.
BE-148
- BODY ELECTRICALAUDIO SYSTEM
2521 Author
: Date
:
2004 LAND CRUISER (RM1071U)

I24920
BEAM
TURN-R
TURN-L
CENTER DIFF LOCK
VSC TRAC
VSC OFF
SLIP
ABS
RSCA
CHECK ENGA1 DOOR
A7 A5 A6 D4 B18 D3 C7
C8
C14
C15
D20
A8
A4
B4
B6
B13
B7
C11 B12
B5
B8
A19
C12
C13
C10
B9
B1TRAC
BRK BE-60
- BODY ELECTRICALCOMBINATION METER
2433 Author
: Date
:
2004 LAND CRUISER (RM1071U)

MET Fuse Light Control Switch Flasher Relay
ABS, TRC, VSC ECU ABS, TRC, VSC ECU Drive Monitor H/L R-HI Fuse Body ECU
ABS, TRC, VSC ECU
ABS & BA & TRAC & VSC Actuator ECM
ABS, TRC, VSC ECU
Airbag ECU
Oil Pressure Sender Gauge Airbag ECU Body ECUWiring connector side No.107 6
19 18 175 3
12
20 15
16
17
18
19
7 4 1
C14 C13 C12
11
Gateway ECU
ECM Engine Ground
Main Fuel Sender Gauge
7
19
201
2
4
C15Key Unlock Warning Switch 9CTR DIFF Switch 14
Drive Monitor 16 10 ECM
Body (Door Courtesy Switch Signal) 10Flasher Relay 4
ABS, TRC, VSC ECU
ABS, TRC, VSC ECU
ABS, TRC, VSC ECU
GAUGE1 Fuse
ECU-B2 Fuse
ACC Fuse
DOME Fuse
Speed Sensor 11
12
13
14
15Main Fuel Sender Gauge
Light Control Rheostat 6 Main Fuel Sender GaugeBody Ground 9
Speed Control Unit 16PANEL Fuse 8
11 Driver Seat Belt Buckle Switch
- BODY ELECTRICALCOMBINATION METER
BE-61
2434 Author
: Date
:
2004 LAND CRUISER (RM1071U)

BE2EF-01
1
2
3
4
5
6
7
8
9
1012
13
14
15
16
17
18
19
20 1120
19
18
17
16
15
14
13
12
1110
9
8
7
6
5
4
3
2
11
2
3
4
5
6
7
8
9
1012
13
14
15
16
17
18
19
20 11
20
19
18
17
16
15
14
13
12
1110
9
8
7
6
5
4
3
2
1
I29077
Connector C15 Connector C14 Connector C13 Connector C12
- BODY ELECTRICALCOMBINATION METER
BE-63
2436 Author
: Date
:
INSPECTION
1. INSPECT COMBINATION METER CIRCUIT
Connect the connector C12, C13, C14 and C15 to the combina-
tion meter and inspect the wire harness side connectors from
the back side as shown in the table.
Tester connectionConditionSpecified condition
C12 3 (DOOR ) G dEither door is openedBelow 1 VC12-3 (DOOR-) - GroundEither door is closed10 - 14 V
C12 4 (TURN L) G d
Ignition switch ON and
turn signal switch OFF or RIGHTBelow 1 V
C12-4 (TURN-L) - GroundIgnition switch ON and
turn signal switch LEFTPulse signal is output
10 - 14 V eBelow 1 V
C12 5 (BEAM ) G dIG switch ON, light control switch OFFBelow 1 VC12-5 (BEAM+) - GroundIG switch ON, light control switch ON10 - 14 V
C12 6 (TURN R) G d
Ignition switch ON and
turn signal switch OFF or LEFTBelow 1 V
C12-6 (TURN-R) - GroundIgnition switch ON and
turn signal switch RIGHTPulse signal is output
10 - 14 V eBelow 1 V
C12-7 (BEAM-) - GroundIG switch ON, light control switch ONBelow 1 V
C12 10 (CHG ) G dIgnition switch OFFBelow 1 VC12-10 (CHG+) - GroundIgnition switch ON10 - 14 V
C12 12 (ABS) G d
Ignition switch ON and ABS warning light lights
upBelow 1 V
C12-12 (ABS) - GroundIgnition switch ON and
ABS warning light does not light up10 - 14 V
C13 8 (ILL ) G dIG switch OFFBelow 1 VC13-8 (ILL+) - GroundIG switch ON10 - 14 V

BE2EJ-01
I25272
Engine Room R/B:
HTR RelayABS MTR1 Relay
ABS MTR2 RelayC/OPN Relay
ABS SOL RelayF/PUMP Relay
EFI OR ECD RelaySTARTER Relay
- BODY ELECTRICALPOWER SOURCE
BE-15
2388 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT ENGINE ROOM R/B CIRCUIT

- BODY ELECTRICALPOWER SOURCE
BE-19
2392 Author
: Date
:
2004 LAND CRUISER (RM1071U)
(a) Remove the fuse from the junction block and inspect the
connector on junction block side.
Fuse Tester connectionConditionSpecified condition
TOWING 1 - GroundConstantBattery positive voltage
MIR HTR 3 - GroundConstantBattery positive voltage
RR HTR 5 - GroundConstantBattery positive voltage
HAZ-TRN 7 - GroundConstantBattery positive voltage
ALT-S 9 - GroundConstantBattery positive voltage
NV-IR 13 - GroundConstantBattery positive voltage
FR FOG 13 - GroundConstantBattery positive voltage
BRK CTRL 15 - GroundConstantBattery positive voltage
HEAD CLNER 17 - GroundIgnition switch ONBattery positive voltage
FR-IG 19 - GroundIgnition switch ONBattery positive voltage
PANEL 21 - GroundLight control switch HEAD or TAILBattery positive voltage
TOWING TAIL 23 - GroundLight control switch HEAD or TAILBattery positive voltage
TAIL 25 - GroundLight control switch HEAD or TAILBattery positive voltage
BAT 29 - GroundConstantBattery positive voltage
TEL 31 - GroundConstantBattery positive voltage
AMP 33 - GroundConstantBattery positive voltage
EFI or ECD NO.1 35 - GroundConstantBattery positive voltage
AM2 37 - GroundConstantBattery positive voltage
ETCS 39 - GroundConstantBattery positive voltage
HORN 41 - GroundConstantBattery positive voltage
HEAD LH-UPR 51 - GroundLight control switch HI or FlashBattery positive voltage
HEAD RH-UPR 49 - GroundLight control switch HI or FlashBattery positive voltage
HEAD LH-LWR 47 - GroundLight control switch HEADBattery positive voltage
HEAD RH-LWR 45 - GroundLight control switch HEADBattery positive voltage
ST1 1 - GroundConstantBattery positive voltage
AHC 1 - GroundConstantBattery positive voltage
ABS NO.1 1 - GroundConstantBattery positive voltage
ABS NO.2 1 - GroundConstantBattery positive voltage
STARTER 1 - GroundConstantBattery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
(b) Remove the relay from the junction block and inspect the
connector on junction block side.
Relay Tester connectionConditionSpecified condition
AHC 1 - GroundIgnition switch ONBattery positive voltage
ABS SOL 1 - GroundIgnition switch ONBattery positive voltage
ABS MTR1 1 - GroundConstantBattery positive voltage
ABS MTR2 1 - GroundIgnition switch ONBattery positive voltage
STARTER 5 - GroundConstantContinuity
STARTER 2 - GroundIgnition switch ONBattery positive voltage
EFI or ECD 3 - GroundConstantBattery positive voltage
C/OPN SPIL VLV 5 - GroundConstantBattery positive voltage
C/OPN SPIL VLV 2 - GroundIgnition switch ONContinuity