Diagnostic procedure
STEP
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INSPECTION
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RESULTS
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ACTION
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1
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Connect the WDS or equivalent to the DLC-2.
Do following conditions appear?
• Engine is not completely started.
• DTC B1681 is displayed.
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Yes
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Both conditions appear:
Go to Step 4.
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No
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Either or conditions appears:
Go to the next step.
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2
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Is the connector securely connected to the coil?
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Yes
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Go to the next step.
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No
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Connect the coil connector securely.
Return to Step 1.
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3
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Does the security light illuminate?
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Yes
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Go to the next step.
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No
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Inspect the following wiring harnesses and connectors:
• Between PCM terminal 15 and the instrument cluster terminal 3C.
• Between PCM terminal 16 and instrument cluster terminal 3E.
If they are normal, inspect the instrument cluster.
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4
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Connect the WDS or equivalent to the DLC-2 and retrieve DTCs.
Are any of the following DTCs displayed?
DTC
B1213, B1342, B1600, B1601, B1602, B1681, B2103, B2431 |
Yes
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Go to the appropriate DTC test.
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No
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Go to the next step.
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5
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Is there continuity between PCM GND terminals 4, 5, 14, 54 or 80 and GND?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness.
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6
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Measure the voltage between PCM GND terminals 4, 5, 14, 54 or 80 and coil terminal B.
Is the voltage below 1.0 V?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness.
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7
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Turn the ignition switch to the ON position.
Access the VPWR PID.
Is the VPWR PID okay?
Specification |
Yes
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Go to the next step.
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No
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Repair or replace the wiring harness.
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8
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Disconnect the coil connector.
Turn the ignition switch to the ON position.
Is there battery voltage at coil connector terminal A (harness-side)?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness between coil connector terminal A and the ignition switch.
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9
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Inspect for open or short circuit in following:
• Between coil terminal C and PCM terminal 17.
• Between coil terminal D and PCM terminal 18.
Is there any malfunction?
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Yes
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Repair or replace the wiring harness.
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No
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Go to the next step.
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10
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Is there continuity between PCM terminal 33 and starter relay at P or N position?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness.
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11
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Inspect the following:
• Battery connection
• Battery condition
• Fuses
• Transaxle in Park or Neutral
Are all items normal?
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Yes
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Go to the next step.
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No
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Service if necessary.
Repeat Step 11.
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12
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Is clicking sound heard from starter when the ignition switch is turned to START?
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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 15.
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13
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Inspect the starting system.
(See STARTER INSPECTION [L3].)
Is starting system normal?
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Yes
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Inspect for seized/hydrolocked engine, drive plate.
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No
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Repair or replace components as required.
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14
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Inspect the starter relay.
(See RELAY INSPECTION.)
Is the starter relay okay?
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Yes
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Go to the next step.
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No
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Replace the starter relay.
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15
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Do any other electrical accessories function?
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Yes
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Go to the next step.
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No
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Inspect charging system.
(See GENERATOR INSPECTION [L3].)
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16
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Connect the WDS or equivalent to the DLC-2.
Turn the ignition switch to the ON position.
Access the TR PID.
Is the TR PID indicated in P/N when selecting P or N position?
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Yes
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Go to the next step.
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No
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Inspect if TR switch is adjusted properly, and for open or short between TR switch and PCM terminal 33 or starter.
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17
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Connect the WDS or equivalent to the DLC-2.
Retrieve any continuous memory DTCs.
Are there any continuous memory DTCs displayed?
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Yes
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DTC is displayed:
Go to the appropriate DTC inspection.
(See DTC TABLE [L3 R.H.D.].)
Communication error message is displayed:
Inspect for following:
• Open circuit in wiring harness between main relay terminal A and PCM terminal 103, 104
• Open circuit in wiring harness between main relay terminal B and PCM terminal 36
• Main relay is stuck open.
• Open or poor GND circuit (PCM terminal 4, 5, 14, 54 or 80)
• Poor connection of vehicle body GND
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No
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No DTC is displayed:
Inspect following:
• START circuit in ignition switch
• Open circuit in wiring harness between ignition switch and starter
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18
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Retrieve any KOEO DTCs using WDS or equivalent.
Are there DTCs displayed during KOEO inspection?
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Yes
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DTC is displayed:
Go to the appropriate DTC inspection.
(See DTC TABLE [L3 R.H.D.].)
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No
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No DTC is displayed:
Inspect the following:
• START circuit in ignition switch
• Open circuit in wiring harness between ignition switch and starter
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19
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Verify test results.
• If normal, return to the diagnostic index to service any additional symptoms.
• If any malfunction remains, inspect related service information, and repair or diagnosis accordingly.
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