![](../../../img/54/AC313416BE00ENG.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/AC313416BE00ENG.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 :
Diagnose the lines between the CAN_L and H for short
circuit. Refer to .
No
continuity : Diagnose the terminator resistors at both ends.
Refer 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/AC311112AI00ENG.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
14.
<M.U.T.-III
indications do not correspond to the illustration> Go
to Step 5.
|
![](../../../img/54/AC313416AU00ENG.png)
![](../../../img/54/AC313414AR00ENG.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/AC313416AU00ENG.png)
|
(1)Disconnect the combination meter
connector, and diagnose by using the M.U.T.-III.
|
![](../../../img/54/AC311112AJ00ENG.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/AC313416AU00ENG.png)
![](../../../img/54/AC313414AR00ENG.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/AC312553AJ00ENG.png)
|
(4)Continuity between C-09 joint
connector (CAN2) terminal No.6 and C-02 combination meter
connector terminal No.24 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AL00ENG.png)
|
(5)Continuity between C-09 joint
connector (CAN2) terminal No.17 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/AC313416AB00ENG.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/AC313416AB00ENG.png)
|
(1)Disconnect the A/C-ECU
connector, and diagnose by using the M.U.T.-III.
|
![](../../../img/54/AC311112AK00ENG.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/AC313414AR00ENG.png)
![](../../../img/54/AC313416AB00ENG.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/AC312553BB00ENG.png)
|
(4)Continuity between C-09 joint
connector (CAN2) terminal No.8 and C-106 A/C-ECU
connector terminal No.8 OK: 2 Ω or
less
|
![](../../../img/54/AC312553BD00ENG.png)
|
(5)Continuity between C-09 joint
connector (CAN2) terminal No.19 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/AC313421AE00ENG.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/AC313421AE00ENG.png)
|
(1)Disconnect the ETACS-ECU connector,
and diagnose by using the M.U.T.-III.
|
![](../../../img/54/AC311112AL00ENG.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/AC313414AR00ENG.png)
![](../../../img/54/AC313421AE00ENG.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/AC312553BF00ENG.png)
|
(4)Continuity between C-09 joint
connector (CAN2) terminal No.5 and C-221 ETACS-ECU connector
terminal No.72 OK: 2 Ω or less
|
![](../../../img/54/AC312553BH00ENG.png)
|
(5)Continuity between C-09 joint
connector (CAN2) terminal No.16 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/AC313414AT00ENG.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/AC313414AT00ENG.png)
|
(1)Disconnect the engine-A/T-ECU
connector, and diagnose by using the M.U.T.-III.
|
![](../../../img/54/AC311112AM00ENG.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 19.
|
![](../../../img/54/AC313371AD00ENG.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
17.
Repair the
defective connector.
|
![](../../../img/54/AC302572AD00ENG.png)
![](../../../img/54/AC313371AD00ENG.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 18
.
<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/AC313371AD00ENG.png)
![](../../../img/54/AC313414AT00ENG.png)
|
(1)Disconnect the engine-A/T-ECU
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-A/T-ECU
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-A/T-ECU
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-A/T-ECU 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-A/T-ECU connector and
the joint connector (CAN1).
|
![](../../../img/54/AC313371AN00ENG.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/AC313371AN00ENG.png)
|
(1)Disconnect the ABS-ECU connector,
and diagnose by using the M.U.T.-III.
|
![](../../../img/54/AC311112AN00ENG.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
21.
<M.U.T.-III
indications do not correspond to the illustration> Go
to Step 22.
|
![](../../../img/54/AC302572AD00ENG.png)
![](../../../img/54/AC313371AN00ENG.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/AC313414AR00ENG.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
23.
Repair a
defective connector or replace the joint connector.
|
![](../../../img/54/AC313414AB00ENG.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
24.
Repair the
defective connector.
|
![](../../../img/54/AC302572AD00ENG.png)
![](../../../img/54/AC313414AB00ENG.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 25
.
<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/AC313414AR00ENG.png)
![](../../../img/54/AC313414AB00ENG.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/AC312553AN00ENG.png)
|
(4)Continuity between C-125
intermediate connector terminal No.26 and C-09 joint connector
(CAN2) terminal No.11 OK: 2 Ω or
less
|
![](../../../img/54/AC312553AP00ENG.png)
|
(5)Continuity between C-125
intermediate connector terminal No.27 and C-09 joint connector
(CAN2) terminal No.22 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 26
.
<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/AC313414AR00ENG.png)
![](../../../img/54/AC313416BE00ENG.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/AC312553AX00ENG.png)
|
(4)Continuity between C-09 joint
connector (CAN2) terminal No.7 and C-126 diagnosis connector
terminal No.6 OK: 2 Ω or less
|
![](../../../img/54/AC312553AZ00ENG.png)
|
(5)Continuity between C-09 joint
connector (CAN2) terminal No.18 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 9: 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.
|