![](../../../img/54/AC313392AF00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 2.
Repair the
defective connector.
|
![](../../../img/54/AC313392AF00ENG.png)
|
(1)Measure at the diagnosis
connector wiring harness side. (2)Ignition switch:
OFF (LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC311938CC00ENG.png)
|
(4)Continuity between C-126
diagnosis connector terminal Nos.6 and 14
Q.
How much resistance is measured?
2 Ω
or less : Check the CAN_L and H lines for short
circuit (Refer to ).
No
continuity : Diagnose the terminator resistors at both
ends by referring to .
More
than 2 Ω (i.e. continuity exists) : Go
to Step 3.
|
![](../../../img/54/AC302572AD00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
When checking the joint connector, ensure that
its wiring harness side is not damaged.
Q.
Is the check result normal?
Go to
Step 4.
Repair a
defective connector or replace the joint connector
(front wiring harness
assembly).
|
![](../../../img/54/AC302572AD00ENG.png)
|
(1)Disconnect the joint
connector (CAN1), and check by using the
M.U.T.-III.
|
![](../../../img/54/AC311112AB00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
17.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 5.
|
![](../../../img/54/AC313392AP00ENG.png)
![](../../../img/54/AC313396AS00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
|
![](../../../img/54/AC209350AC00ENG.png)
|
When checking the joint
connector, ensure that its wiring harness side is not
damaged.
Q.
Is the check result normal?
Go to
Step 6.
Repair a
defective connector or replace the joint
connector.
|
![](../../../img/54/AC313392AP00ENG.png)
|
(1)Disconnect the combination
meter connector, and diagnose by using the
M.U.T.-III.
|
![](../../../img/54/AC311112AC00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
7.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 8.
|
![](../../../img/54/AC313392AP00ENG.png)
![](../../../img/54/AC313396AS00ENG.png)
|
(1)Disconnect the joint
connector (CAN2) and the combination meter connector,
and measure
at the wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553AI00ENG.png)
|
(4)Continuity between C-09
joint connector (CAN2) terminal No.7 and C-02
combination meter
connector terminal No.24 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AK00ENG.png)
|
(5)Continuity between C-09
joint connector (CAN2) terminal No.18 and C-02
combination meter
connector terminal No.23 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less> Power
supply
to the combination meter may be suspected. Diagnose the
combination meter. Refer to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between joint connector (CAN2) and
the combination meter connector.
|
![](../../../img/54/AC313392AY00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 9.
Repair the
defective connector.
|
![](../../../img/54/AC313392AY00ENG.png)
|
(1)Disconnect the A/C-ECU
connector, and diagnose by using the
M.U.T.-III.
|
![](../../../img/54/AC311112AD00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
10.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 11.
|
![](../../../img/54/AC313396AS00ENG.png)
![](../../../img/54/AC313392AY00ENG.png)
|
(1)Disconnect the joint
connector (CAN2) and the A/C-ECU connector, and
measure
at the wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553BA00ENG.png)
|
(4)Continuity between C-09
joint connector (CAN2) terminal No.2 and C-106
A/C-ECU
connector terminal No.8 OK: 2 Ω or
less
|
![](../../../img/54/AC312553BC00ENG.png)
|
(5)Continuity between C-09
joint connector (CAN2) terminal No.13 and C-106
A/C-ECU
connector terminal No.9 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less> Power
supply
to the A/C-ECU may be suspected. Diagnose the air
conditioner system. Refer to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between the joint connector (CAN2)
and the A/C-ECU connector.
|
![](../../../img/54/AC313400AF00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 12.
Repair the
defective connector.
|
![](../../../img/54/AC313400AF00ENG.png)
|
(1)Disconnect the ETACS-ECU
connector, and diagnose by using the
M.U.T.-III.
|
![](../../../img/54/AC311112AE00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
13.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 14.
|
![](../../../img/54/AC313396AS00ENG.png)
![](../../../img/54/AC313400AF00ENG.png)
|
(1)Disconnect the joint
connector (CAN2) and the ETACS-ECU connector, and
measure at the
wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553BE00ENG.png)
|
(4)Continuity between C-09
joint connector (CAN2) terminal No.3 and C-221
ETACS-ECU connector
terminal No.72 OK: 2 Ω or
less
|
![](../../../img/54/AC312553BG00ENG.png)
|
(5)Continuity between C-09
joint connector (CAN2) terminal No.14 and C-221
ETACS-ECU connector
terminal No.73 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less> Power
supply
to the ETACS-ECU may be suspected. Diagnose the SWS.
Refer to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between the joint connector (CAN2)
and the ETACS-ECU connector.
|
![](../../../img/54/AC313392AZ00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 15.
Repair the
defective connector.
|
![](../../../img/54/AC313392AZ00ENG.png)
|
(1)Disconnect the SRS-ECU
connector, and diagnose by using the
M.U.T.-III.
|
![](../../../img/54/AC311112AF00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
16.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 26.
|
![](../../../img/54/AC313396AS00ENG.png)
![](../../../img/54/AC313392AZ00ENG.png)
|
(1)Disconnect the joint
connector (CAN2) and the SRS-ECU connector, and measure
at the wiring
harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553BS00ENG.png)
|
(4)Continuity between C-09
joint connector (CAN2) terminal No.1 and C-119 SRS-ECU
connector
terminal No.32 OK: 2 Ω or
less
|
![](../../../img/54/AC312553BO00ENG.png)
|
(5)Continuity between C-09
joint connector (CAN2) terminal No.12 and C-119 SRS-ECU
connector
terminal No.43 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less> Power
supply
to the SRS-ECU may be suspected. Diagnose the SRS
system. Refer to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between the joint connector (CAN2)
and the SRS-ECU connector.
|
![](../../../img/54/AC313396AT00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 18.
Repair the
defective connector.
|
![](../../../img/54/AC313396AT00ENG.png)
|
(1)Disconnect the engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector,
and diagnose by using the M.U.T.-III.
|
![](../../../img/54/AC311112AG00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
19.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 22.
|
![](../../../img/54/AC313362AC00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 20.
Repair the
defective connector.
|
![](../../../img/54/AC302572AD00ENG.png)
![](../../../img/54/AC313362AC00ENG.png)
|
(1)Disconnect the joint
connector (CAN1) and the intermediate connector, and
measure at the
wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553AR00ENG.png)
|
(4)Continuity between A-16
intermediate connector terminal No.6 and A-07 joint
connector
(CAN1) terminal No.6 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AQ00ENG.png)
|
(5)Continuity between A-16
intermediate connector terminal No.12 and A-07 joint
connector
(CAN1) terminal No.3 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All
the voltages measure 2 Ω or less> Go to
Step 21
.
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between joint connector (CAN1) and
the intermediate connector.
|
![](../../../img/54/AC313362AC00ENG.png)
![](../../../img/54/AC313396AT00ENG.png)
|
(1)Disconnect the engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector
and the intermediate connector, and measure at the
wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553AS00ENG.png)
|
(4)Continuity between A-16
intermediate connector terminal No.6 and C-112
engine-ECU <M/T> or
engine-A/T-ECU <A/T> connector
terminal No.61. OK: 2 Ω or
less
|
![](../../../img/54/AC312553AT00ENG.png)
|
(5)Continuity between A-16
intermediate connector terminal No.12 and C-112
engine-ECU <M/T> or
engine-A/T-ECU <A/T> connector
terminal No.62. OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less> Power
supply
to the engine-ECU <M/T> or
engine-A/T-ECU <A/T> may
be suspected. Diagnose the engine control system. Refer
to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between the engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector
and the joint connector (CAN1).
|
![](../../../img/54/AC313355AK00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 23.
Repair the
defective connector.
|
![](../../../img/54/AC313355AK00ENG.png)
|
(1)Disconnect the ABS-ECU
connector, and diagnose by using the
M.U.T.-III.
|
![](../../../img/54/AC311112AH00ENG.png)
|
(2)Check that the M.U.T.-III
indications correspond to the illustration.
Q.
Is the check result normal?
<M.U.T.-III
indications correspond to the illustration> Go to
Step
24.
<M.U.T.-III
indications do not correspond to the
illustration> Go
to Step 25.
|
![](../../../img/54/AC302572AD00ENG.png)
![](../../../img/54/AC313355AK00ENG.png)
|
(1)Disconnect the joint
connector (CAN1) and the ABS-ECU connector, and measure
at the wiring
harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553BW00ENG.png)
|
(4)Continuity between A-07
joint connector (CAN1) terminal No.2 and A-03 ABS-ECU
connector
terminal No.21 OK: 2 Ω or
less
|
![](../../../img/54/AC312553BZ00ENG.png)
|
(5)Continuity between A-07
joint connector (CAN1) terminal No.5 and A-03 ABS-ECU
connector
terminal No.23 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less> Power
supply
to the ABS-ECU may be suspected. Diagnose the ABS
system. Refer to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between the joint connector (CAN1)
and the ABS-ECU connector.
|
![](../../../img/54/AC313396AS00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
|
![](../../../img/54/AC209350AC00ENG.png)
|
When checking the joint
connector, ensure that its wiring harness side is not
damaged.
Q.
Is the check result normal?
Go to
Step 26.
Repair a
defective connector or replace the joint
connector.
|
![](../../../img/54/AC313392AD00ENG.png)
|
caution |
The strand end of the
twist wire should be within 10 cm from
the connector. For details
refer to .
|
Q.
Is the check result normal?
Go to
Step 27.
Repair the
defective connector.
|
![](../../../img/54/AC302572AD00ENG.png)
![](../../../img/54/AC313392AD00ENG.png)
|
(1)Disconnect the joint
connector (CAN1) and the intermediate connector, and
measure at the
wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553AU00ENG.png)
|
(4)Continuity between C-125
intermediate connector terminal No.26 and A-07 joint
connector
(CAN1) terminal No.4 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AV00ENG.png)
|
(5)Continuity between C-125
intermediate connector terminal No.27 and A-07 joint
connector
(CAN1) terminal No.1 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All
the voltages measure 2 Ω or less> Go to
Step 28
.
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between joint connector (CAN1) and
the intermediate connector.
|
![](../../../img/54/AC313396AS00ENG.png)
![](../../../img/54/AC313392AD00ENG.png)
|
(1)Disconnect the joint
connector (CAN2) and the intermediate connector, and
measure at the
wiring harness side. (2)Ignition switch: OFF
(LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553AM00ENG.png)
|
(4)Continuity between C-125
intermediate connector terminal No.26 and C-09 joint
connector
(CAN2) terminal No.4 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AO00ENG.png)
|
(5)Continuity between C-125
intermediate connector terminal No.27 and C-09 joint
connector
(CAN2) terminal No.15 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All
the voltages measure 2 Ω or less> Go to
Step 29
.
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between joint connector (CAN2) and
the intermediate connector.
|
![](../../../img/54/AC313396AS00ENG.png)
![](../../../img/54/AC313392AF00ENG.png)
|
(1)Disconnect the connector,
and measure at the wiring harness side. (2)Ignition
switch: OFF (LOCK) (3)
caution |
When measuring the
resistance, disconnect the negative
battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is
disconnected.
|
![](../../../img/54/AC312553AW00ENG.png)
|
(4)Continuity between C-09
joint connector (CAN2) terminal No.6 and C-126
diagnosis connector
terminal No.6 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AY00ENG.png)
|
(5)Continuity between C-09
joint connector (CAN2) terminal No.17 and C-126
diagnosis connector
terminal No.14 OK: 2 Ω or
less
caution |
Strictly observe the
specified wiring harness repair
procedure.
For details refer to .
|
Q.
Are the check results normal?
<All the
resistances measure 2 Ω or less>
Diagnostics
item 7: Diagnose shorts between CAN_L and
CAN_H lines. Refer to .
<Either
or all of the resistances measure more than 2
Ω> Repair
the wiring harness between joint connector (CAN1) and
the diagnosis connector.
|