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(1)Disconnect engine-ECU connector C-103 and ETACS-ECU connector C-219, and measure the resistance
at harness side of diagnosis connector C-22. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-22 diagnosis connector terminal No.6 (CAN_H) and body earth OK: 1 kΩ or more
|
|
(4)Resistance between C-22 diagnosis connector terminal No.14 (CAN_L) and body earth OK: 1 kΩ or more
Q.
Is the check result normal?
<Both of the measurement results show 1 kΩ or more> Go
to Step 23.
<Either of CAN_H line or CAN_L line the measurement
results show less than 1 kΩ > Go to Step 2.
|
|
(1)Disconnect the intermediate connector C-53 <LHD> or C-35 <RHD>, and measure at
its male-side intermediate connector (at the control wiring harness side). (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-53 <LHD> or C-35 <RHD> intermediate connector terminal No.6
(CAN_H) and body earth OK: 1 kΩ or more
|
|
(4)Resistance between C-53 <LHD> or C-35 <RHD> intermediate connector terminal No.7
(CAN_L) and body earth OK: 1 kΩ or more
Q.
Is the check result normal?
<1 kΩ or more> Go to Step 7.
<Less than 1 kΩ > Go to Step 3.
|
|
(1)Disconnect joint connector (CAN2), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-01 joint connector (CAN2) terminal No.9 (CAN_H) and body
earth <LHD> OK: 1 kΩ or more
|
|
(4)Resistance between C-01 joint connector (CAN2) terminal No.10 (CAN_H) and body
earth <RHD> OK: 1 kΩ or more
|
|
(5)Resistance between C-01 joint connector (CAN2) terminal No.20 (CAN_L) and body
earth <LHD> OK: 1 kΩ or more
|
|
(6)Resistance between C-01 joint connector (CAN2) terminal No.21 (CAN_L) and body
earth <RHD> OK: 1 kΩ or more
Q.
Is the check result normal?
YES <M/T> : <1 kΩ or more> Repair intermediate connector C-53 <LHD>
or C-35 <RHD>, or the wiring harness between joint connector (CAN2) and intermediate connector
C-53 <LHD> or C-35 <RHD>.
YES <A/T> : <1 kΩ or more> Go to Step 4.
NO : <Less than 1 kΩ > Repair the wiring harness between joint
connector (CAN2) and the engine-ECU connector.
|
|
(1)Disconnect joint connector (CAN2), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-01 joint connector (CAN2) terminal No.10 (CAN_H) and body
earth <LHD> OK: 1 kΩ or more
|
|
(4)Resistance between C-01 joint connector (CAN2) terminal No.9 (CAN_H) and body
earth <RHD> OK: 1 kΩ or more
|
|
(5)Resistance between C-01 joint connector (CAN2) terminal No.21 (CAN_L) and body
earth <LHD> OK: 1 kΩ or more
|
|
(6)Resistance between C-01 joint connector (CAN2) terminal No.20 (CAN_L) and body
earth <RHD> OK: 1 kΩ or more
Q.
Is the check result normal?
<1 kΩ or more> Repair intermediate connector C-53 <LHD>
or C-35 <RHD>, or the wiring harness between joint connector (CAN2) and intermediate connector
C-53 <LHD> or C-35 <RHD>.
<Less than 1 kΩ > Go to Step 5.
|
|
(1)Disconnect A/T-ECU connector C-20, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Repair the wiring harness between joint connector (CAN2) and the A/T-ECU
connector.
Check the A/T-ECU connector, and repair if necessary. If the A/T-ECU
connector is in good condition, go to Step 6.
|
|
Diagnose CAN bus lines, and check if M.U.T.-III screen shows normal state.
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent
Malfunction ).
|
|
|
|
Check the A/T-ECU connector, and repair if necessary. If the A/T-ECU
connector is in good condition, replace the A/T-ECU.
|
|
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.9 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.20 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
<1 kΩ or more> Go to Step 8.
<Less than 1 kΩ > Repair the wiring harness between joint
connector (CAN1) and the ETACS-ECU connector.
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.7 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.18 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
YES <vehicles without ABS, ASTC and A/C> : <1 kΩ or more> Go to Step 22.
YES <vehicles with ABS> : <1 kΩ or more> Go to Step 10.
YES <vehicles with ABS> : <1 kΩ or more> Go to Step 13.
YES <vehicles without ABS and ASTC, and with A/C> : <1 kΩ or more> Go to Step 20.
NO : <Less than 1 kΩ > Go to Step 9.
|
|
(1)Disconnect RV meter connector C-171, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Repair the wiring harness between joint connector (CAN1) and the RV meter connector.
Check the RV meter connector, and repair if necessary. If the RV meter connector
is in good condition, repair the RV meter power supply circuit. (Refer to GROUP 54A - RV
meter .)
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.5 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.16 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
YES <vehicles without A/C> : <1 kΩ or more> Go to Step 22.
YES <vehicles with A/C> : <1 kΩ or more> Go to Step 20.
NO : <Less than 1 kΩ > Go to Step 11.
|
|
(1)Disconnect ABS-ECU connector A-01, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Check intermediate connector (C-13), and repair if necessary. If the intermediate
connector is in good condition, repair the wiring harness between joint connector (CAN1) and
the ABS-ECU connector.
Check the ABS-ECU connector, and repair if necessary. If the ABS-ECU connector
is in good condition, go to Step 12.
|
|
Diagnose CAN bus lines, and check if M.U.T.-III screen shows normal state.
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent
Malfunction ).
|
|
|
|
Check the ABS-ECU connector, and repair if necessary. If the ABS-ECU connector
is in good condition, replace the hydraulic unit assembly.
|
|
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.5 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.16 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
<1 kΩ or more> Go to Step 16.
<Less than 1 kΩ > Go to Step 14.
|
|
(1)Disconnect ASTC-ECU connector A-48, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Check intermediate connector C-13, and repair if necessary. If the intermediate
connector is in good condition, repair the wiring harness between joint connector (CAN1) and
the ASTC-ECU connector.
Check the ASTC-ECU connector, and repair if necessary. If the ASTC-ECU connector
is in good condition, go to Step 15.
|
|
Diagnose CAN bus lines, and check if M.U.T.-III screen shows normal state.
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent
Malfunction ).
|
|
|
|
Check the ASTC-ECU connector, and repair if necessary. If the ASTC-ECU connector
is in good condition, replace the hydraulic unit assembly.
|
|
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.3 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.14 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
<1 kΩ or more> Go to Step 18.
<Less than 1 kΩ > Go to Step 17.
|
|
(1)Disconnect steering wheel sensor connector C-308, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Repair the wiring harness between joint connector (CAN1) and the steering wheel
sensor connector.
Check the steering wheel sensor connector, and repair if necessary. If the steering
wheel sensor connector is in good condition, repair the steering wheel sensor power supply circuit.
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.4 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.15 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
YES <vehicles without A/C> : <1 kΩ or more> Go to Step 22.
YES <vehicles with A/C> : <1 kΩ or more> Go to Step 20.
NO : <Less than 1 kΩ > Go to Step 19.
|
|
(1)Disconnect G and yaw rate sensor connector C-144, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Repair the wiring harness between joint connector (CAN1) and the G and yaw rate
sensor connector.
Check the G and yaw rate sensor connector, and repair if necessary. If the G and
yaw rate sensor connector is in good condition, repair the G and yaw rate sensor power supply
circuit.
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.6 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.17 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
<1 kΩ or more> Go to Step 22.
NO : <Less than 1 kΩ > Go to Step 21.
|
|
(1)Disconnect A/C-ECU connector C-43, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Repair the wiring harness between joint connector (CAN1) and the A/C-ECU
connector.
Check the A/C-ECU connector, and repair if necessary. If the A/C-ECU
connector is in good condition, repair the A/C-ECU power supply circuit. (Refer to GROUP 55B .)
|
|
(1)Disconnect joint connector (CAN1), and measure at the wiring harness side. (2)
caution |
When measuring the resistance, disconnect the negative battery
terminal. For details refer to .
|
Ensure that the negative battery terminal is disconnected.
|
|
(3)Resistance between C-119 joint connector (CAN1) terminal No.10 (CAN_H) and body
earth OK: 1 kΩ or more
|
|
(4)Resistance between C-119 joint connector (CAN1) terminal No.21 (CAN_L) and body
earth OK: 1 kΩ or more (5)
caution |
Strictly observe the specified wiring harness repair procedure.
For details refer to .
|
Q.
Is the check result normal?
<1 kΩ or more> Repair the intermediate connector C-53 <LHD>
or C-35 <RHD>, or the wiring harness between joint connector (CAN1) and the intermediate connector
C-53 <LHD> or C-35 <RHD>.
<Less than 1 kΩ > Repair the diagnosis connector, or the
wiring harness between joint connector (CAN1) and the diagnosis connector.
|
|
(1)Disconnect engine-ECU connector C-103 and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
Go to Step 25.
Check the engine-ECU connector, and repair if necessary. If the engine-ECU connector
is in good condition, go to Step 24.
|
|
Diagnose CAN bus lines, and check if M.U.T.-III screen shows normal state.
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent
Malfunction ).
|
|
|
|
Check the engine-ECU connector, and repair if necessary. If the engine-ECU connector
is in good condition, replace the engine-ECU.
|
|
|
|
(1)Disconnect ETACS-ECU connector C-219, and diagnose by using the M.U.T.-III.
|
|
(2)Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration.
Q.
Does M.U.T.-III screen correspond to the illustration?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent
Malfunction ).
Check the ETACS-ECU connector, and repair if necessary. If the ETACS-ECU connector
is in good condition, go to Step 26.
|
|
Diagnose CAN bus lines, and check if M.U.T.-III screen shows normal state.
|
|
Q.
Is the check result normal?
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope with Intermittent
Malfunction ).
|
|
|
|
Check the ETACS-ECU connector, and repair if necessary. If the ETACS-ECU connector
is in good condition, replace the ETACS-ECU.
|
|
|