STEP
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INSPECTION
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ACTION
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1
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INSPECT DTC INDICATION
• Using the WDS or equivalent, inspect if DTCs are displayed for the following module:
-
- PCM
-
- EHPAS control module
-
- DSC HU/CM or ABS HU/CM
-
- Instrument cluster
-
- Climate control unit
-
- SAS control module
-
- PJB
• Are any DTCs displayed?
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Yes
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Go to the next step.
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No
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Go to Step 5.
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2
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INSPECT CAN SYSTEM-RELATED DTC
• Are any DTCs other than the following displayed?
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- U0073
-
- U0100
-
- U0121
-
- U0131
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- U0140
-
- U0155
-
- U0151
-
- U0184
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- U0516
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- U1900
-
- U2012
-
- U2023
-
- U2202
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- U2516
-
- U2523
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Yes
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Repair the malfunctioning part by following the related DTC inspection.
Go to the next step.
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No
|
Go to the next step.
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3
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INSPECT CAN SYSTEM-RELATED DTC
• Are any of the following DTCs displayed?
-
- PCM: U0073, U0121, U0155
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- EHPAS control module: U0073, U0100, U2023
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- DSC HU/CM or ABS HU/CM: U1900, U2012, U2523
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- Instrument cluster: U0073, U0100, U0121, U0131, U0140, U0151, U0184, U2516
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- Climate control unit: U0140, U0155, U0184, U0516
-
- SAS control module: U0073, U1900
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- PJB: U1900
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Yes
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Repair the malfunctioning part by following the DTC inspection.
Go to the next step.
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No
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Troubleshooting completed.
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4
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VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the CAN system-related modules using the WDS or equivalent.
• Start the engine.
• Are any of the CAN related DTCs displayed?
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Yes
|
Go back to Step 3.
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No
|
Troubleshooting completed.
|
5
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INSPECT COMMUNICATION CONDITION
• Is there a response from the following modules?
-
- PCM
-
- EHPAS control module
-
- DSC HU/CM or ABS HU/CM
-
- Instrument cluster
-
- Climate control unit
-
- SAS control module
-
- PJB
|
Yes
|
Troubleshooting completed.
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No
|
Go to the next step.
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6
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INSPECT MODULES THAT DO NOT RESPOND
• Inspect the power supply and the ground circuit for any units that do not respond.
• Are they normal?
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Yes
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Go to the next step.
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No
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Repair the malfunctioning part, then go back to Step 1.
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7
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INSPECT CONNECTOR AND WIRING HARNESS BETWEEN MODULES THAT DO NOT RESPOND AND DLC-2
• Turn the ignition switch to the LOCK position.
• Inspect the wiring harness and connector between any module that does not respond and the DLC-2.
PCM (LF)-DLC-2
1AM-F
1AI-E
PCM (Z6, ZJ)-DLC-2
1W-F
1S-E
EHPAS control module-DLC-2
2B-F
2H-E
DSC HU/CM-DLC-2
• P-F
• D-E
ABS HU/CM-DLC-2
• H-F
• L-E
Instrument cluster-DLC-2
1I-F
1K-E
1M-L
1O-K
Climate control unit-DLC-2
• X-L
• W-K
SAS control module-DLC-2
1X-L
1T-K
PJB-DLC-2
• J-04 D-L
• J-04 B-K
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Yes
|
Go to the next step.
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No
|
Repair the malfunctioning part, then go back to Step 1.
|
8
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INSPECT WIRING HARNESS
• Turn the ignition switch to the ON position (Engine off).
• Measure the voltage between the following terminals.
-
- DLC-2 terminals F and E
-
- DLC-2 terminals L and K
• Is the voltage 2.0-3.0 V?
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Yes
|
Go to the next step.
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No
|
Go to Step 12.
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9
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INSPECT WIRING HARNESS
• Turn the ignition switch to the LOCK position.
• Measure the resistance between the following terminals.
-
- DLC-2 terminals F and E
-
- DLC-2 terminals L and K
• Is the resistance 59-65 ohms?
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Yes
|
Replace the modules that do not respond, then go back to Step 1.
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No
|
Go to the next step.
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10
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INSPECT PCM
• Disconnect the PCM connector.
• Measure the resistance between following terminals.
-
- PCM terminals 1AM and 1AI (LF) (part-side)
-
- PCM terminals 1W and 1S (Z6, ZJ) (part-side)
• Is the resistance 118-130 ohms?
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Yes
|
Go to the next step.
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No
|
Replace the PCM, then go to the next step.
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11
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INSPECT INSTRUMENT CLUSTER
• Disconnect the instrument cluster connector.
• Measure the resistance between the following terminals.
-
- Instrument cluster terminals 1I and 1K (part-side)
-
- Instrument cluster terminals 1M and 1O (part-side)
• Is the resistance 118-130 ohms?
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Yes
|
Go to next step.
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No
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Replace the instrument cluster, then go to the next step.
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12
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CLASSIFY WIRING HARNESS MALFUNCTION OR MODULE MALFUNCTION
• Turn the ignition switch to the LOCK position.
• Disconnect the connector of any unit that does not respond. (If there are two or more units that do not respond, disconnect only one of the units.)
• Turn the ignition switch to the ON position.
• Measure the voltage between the following terminals.
-
- DLC-2 terminals F and E
-
- DLC-2 terminals L and K
• Is voltage 2.0-3.0 V?
|
Yes
|
Go to the next step.
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No
|
Retry this step with other module connector disconnected.
If all units that do not respond are disconnected, go to Step 14.
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13
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INSPECT WIRING HARNESS OF ANY UNIT THAT DOES NOT RESPOND
• Turn the ignition switch to the LOCK position.
• Inspect for continuity between the following connector terminals of any disconnected unit.
PCM (LF)
1AM-other terminals
1AI-other terminals
PCM (Z6, ZJ)
1W-other terminals
1S-other terminals
EHPAS control module
2B-other terminals
2H-other terminals
DSC HU/CM
• P-other terminals
• D-other terminals
ABS HU/CM
• H-other terminals
• L-other terminals
Instrument cluster
1I-other terminals
1K-other terminals
1M-other terminals
1O-other terminals
Climate control unit
• X-other terminals
• W-other terminals
SAS control module
1X-other terminals
1T-other terminals
PJB
• J-04 D-other terminals
• J-04 B-other terminals
Is there continuity?
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Yes
|
Repair or replace the wiring harness, then go back to Step 1.
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No
|
Replace the disconnected unit, then go back to Step 1.
|
14
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INSPECT CAN RELATED WIRING HARNESS
• Inspect the related wiring harnesses (CAN_L and/or CAN_H) for the short circuit (to power supply or ground).
• Is the wiring harness normal?
|
Yes
|
Repair or replace the wiring harness, then go back to Step 1.
|
No
|
Go back to Step 1.
|