Diagnostic procedure
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STEP
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INSPECTION
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ACTION
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|---|---|---|---|
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1
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INSPECT WIRING HARNESS BETWEEN ABS /TCS HU/CM AND DLC-2 FOR CONTINUITY AND SHORTS
• Turn ignition key to OFF.
• Connect WDS or equivalent to DLC-2.
• Turn ignition key to ON (engine OFF).
• Perform DTC inspection.
• Is error message displayed regarding communication between ABS/TCS HU/CM and WDS or equivalent?
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Yes
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If a communication error message is displayed even after inspecting according to procedures displayed on the WDS or equivalent, go to Step 4.
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No
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Go to next step.
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2
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CHECK FOR DTCs IN PCM
• Is DTC for engine control system obtained?
(See DTC TABLE [L3])
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Yes
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Follow inspection procedures for engine control system.
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No
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Go to next step.
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||
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3
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INSPECT RPM SIGNAL IN ABS/TCS HU/CM
• Inspect the following item using WDS or equivalent.
• Turn ignition key to ON (start engine)
• Is engine speed 400-1500 rpm?
|
Yes
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Go to Step 5.
|
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No
|
Go to next step.
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4
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INSPECT WIRING HARNESS BETWEEN ABS/TCS HU/CM AND PCM FOR CONTINUITY
• Turn ignition key to OFF.
• Disconnect ABS/TCS HU/CM and PCM connectors.
• Connect SST (adapter harness) to ABS/TCS HU/CM connector (harness side).
• Measure continuity between terminal S of SST (adapter harness) and PCM connector (harness side).
• Is there continuity?
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Yes
|
Replace PCM then go to next step.
|
|
No
|
Repair or replace harness between ABS/TCS HU/CM and PCM then go to next step.
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5
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VERIFY CURRENT STATUS OF MALFUNCTION
• Clear DTC from memory.
(See Clearing DTCs Procedure)
• Start engine and drive vehicle at 10 km/h {6.2 mph} or above.
• Gradually slow down and stop vehicle.
• Is the same DTC present?
|
Yes
|
Replace ABS/TCS HU/CM, then go to next step.
|
|
No
|
Go to next step.
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6
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VERIFY AFTER REPAIR PROCEDURE
• Is there any DTC present?
|
Yes
|
Go to applicable DTC inspection.
|
|
No
|
Troubleshooting completed.
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DTC |
C1117 (17) |
Engine control system, engine RPM information |
|
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DETECTION CONDITION |
• Engine RPM information through CAN is out of specification or invalid value.
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POSSIBLE CAUSE |
• Malfunction of PCM
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Diagnostic procedure
|
STEP
|
INSPECTION
|
ACTION
|
|
|---|---|---|---|
|
1
|
CHECK FOR PCM FOR DTCs
• Turn ignition key to OFF.
• Connect WDS or equivalent to DLC-2
• Turn ignition key to ON (engine off).
• Is DTC for engine control system obtained?
|
Yes
|
Follow inspection procedures for engine control system.
|
|
No
|
Go to next step.
|
||
|
2
|
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from memory.
(See Clearing DTCs Procedure)
• Start engine.
• Is same DTC present?
|
Yes
|
Replace ABS/TCS HU/CM, then go to next step.
|
|
No
|
Go to next step.
|
||
|
3
|
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
|
Yes
|
Go to applicable DTC inspection.
|
|
No
|
Troubleshooting completed.
|
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