DTC 36 [WLT-2]
id010297235900
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DTC 36 |
GLOW PLUG RELAY MALFUNCTION |
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DETECTION CONDITION
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• When the glow plug relay is on, current voltage signal of the relay below 1.0 V is inputted to the PCM continuously for more than 1.0 S.
• When the glow plug relay is off, signal of the relay current voltage above 4.0 V is inputted to the PCM continuously for more than 1.0 S.
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POSSIBLE CAUSE
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• Glow plug relay malfunction
• Open or short circuit in wiring from PCM terminal O to glow plug relay terminal 1A
• Open or short circuit in wiring from PCM terminal I to glow plug relay terminal 3A
• Open or short circuit in wiring from glow plug relay terminal 2A to glow fuse
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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Does glow plug relay connector or PCM connector have poor connection?
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Yes
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Repair or replace connector, then go to Step 5.
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No
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Go to the next step.
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2
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Remove glow plug relay.
Is there continuity between connector terminal 1A and PCM terminal O?
Is there continuity between connector terminal 3A and PCM terminal I?
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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 wiring harness.
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3
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Is there continuity between connector terminal 1B and body ground?
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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 wiring harness.
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4
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Is there continuity between connector terminal 2A and glow fuse?
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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 wiring harness.
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5
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Is glow plug relay normal?
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Yes
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Go to the next step.
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No
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Replace glow plug relay.
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6
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Clear DTC from memory.
Is same code No. present after performing “After Repair Procedure”?
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Yes
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Go to Step 1.
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No
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Intermittent poor connection in harnesses or connectors.
Repair connectors and/or harnesses, then go to the next step.
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7
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Clear DTC from memory.
Is there any DTC present after performing “After Repair Procedure”?
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Yes
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Go to applicable DTC inspection.
(See DTC TABLE [WLT-2].)
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No
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Troubleshooting completed.
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