DTC P0683:00 [SKYACTIV-D 2.2]

id0102s4213700

DTC P0683:00

Glow control module control circuit problem

DETECTION CONDITION

•  If the following conditions are met, the PCM determines that there is the glow control module control circuit problem.

―  The voltage of the glow control module control signal remains low for 5 s. (approx. 0 V)

―  The voltage of the glow control module control signal remains high for 5 s. (approx. 5 V)

MONITORING CONDITIONS

―  Battery voltage: 8—20 V

―  0.5 s have elapsed after the ignition was switched ON (engine off or on)

―  Duty value of the glow control module: 18—96 %

Diagnostic support note

•  This is a continuous monitor (CCM).

•  The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.

•  FREEZE FRAME DATA (Mode 2)/Snapshot data is available.

•  DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

•  Inhibits engine-stop by operating the i-stop function.

POSSIBLE CAUSE

•  Glow control module connector or terminals malfunction

•  Short to ground or open circuit in glow control module power supply circuit

―  Short to ground in wiring harness between GLOW 80 A fuse and glow control module terminal 2C

―  GLOW 80 A fuse malfunction

―  Open circuit in wiring harness between battery positive terminal and glow control module terminal 2C

•  Short to ground or open circuit in glow control module power supply circuit

―  Short to ground in wiring harness between ENGINE1 15 A and glow control module terminal 2D

―  ENGINE1 15 A fuse malfunction

―  Open circuit in wiring harness between main relay terminal D and glow control module terminal 2D

•  Open circuit in wiring harness between glow control module terminal 2A and body ground

―  GLOW SIG 5 A fuse malfunction

•  Short to ground in wiring harness between the following terminals:

―  Glow control module terminal 2B—PCM terminal 2I

―  Glow control module terminal 2E—PCM terminal 2BA

•  PCM connector or terminals malfunction

•  Short to power supply in wiring harness between the following terminals:

―  Glow control module terminal 2B—PCM terminal 2I

―  Glow control module terminal 2E—PCM terminal 2BA

•  Glow control module circuits are shorted to each other

•  Open circuit in wiring harness between the following terminals:

―  Glow control module terminal 2B—PCM terminal 2I

―  Glow control module terminal 2E—PCM terminal 2BA

•  Glow control module temperature is too high (more than 125 °C {257 °F})

•  Glow control module malfunction

•  PCM malfunction

DTC P0683:00	Glow control module control circuit problem
DETECTION CONDITION	• If the following conditions are met, the PCM determines that there is the glow control module control circuit problem. ― The voltage of the glow control module control signal remains low for 5 s. (approx. 0 V) ― The voltage of the glow control module control signal remains high for 5 s. (approx. 5 V) MONITORING CONDITIONS ― Battery voltage: 8—20 V ― 0.5 s have elapsed after the ignition was switched ON (engine off or on) ― Duty value of the glow control module: 18—96 % Diagnostic support note • This is a continuous monitor (CCM). • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle. • FREEZE FRAME DATA (Mode 2)/Snapshot data is available. • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	• Inhibits engine-stop by operating the i-stop function.
POSSIBLE CAUSE	• Glow control module connector or terminals malfunction • Short to ground or open circuit in glow control module power supply circuit ― Short to ground in wiring harness between GLOW 80 A fuse and glow control module terminal 2C ― GLOW 80 A fuse malfunction ― Open circuit in wiring harness between battery positive terminal and glow control module terminal 2C • Short to ground or open circuit in glow control module power supply circuit ― Short to ground in wiring harness between ENGINE1 15 A and glow control module terminal 2D ― ENGINE1 15 A fuse malfunction ― Open circuit in wiring harness between main relay terminal D and glow control module terminal 2D • Open circuit in wiring harness between glow control module terminal 2A and body ground ― GLOW SIG 5 A fuse malfunction • Short to ground in wiring harness between the following terminals: ― Glow control module terminal 2B—PCM terminal 2I ― Glow control module terminal 2E—PCM terminal 2BA • PCM connector or terminals malfunction • Short to power supply in wiring harness between the following terminals: ― Glow control module terminal 2B—PCM terminal 2I ― Glow control module terminal 2E—PCM terminal 2BA • Glow control module circuits are shorted to each other • Open circuit in wiring harness between the following terminals: ― Glow control module terminal 2B—PCM terminal 2I ― Glow control module terminal 2E—PCM terminal 2BA • Glow control module temperature is too high (more than 125 °C {257 °F}) • Glow control module malfunction • PCM malfunction

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA HAS BEEN RECORDED • Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA (Mode 2)/snapshot data on the repair order, then go to the next step.
2	VERIFY RELATED SERVICE INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related Service Information available?	Yes	Perform repair or diagnosis according to the available Service Information. • If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	VERIFY RELATED PENDING CODE AND/OR DTC • Switch the ignition off, then ON (engine off). • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].) • Are any other PENDING CODEs and/or DTCs present?	Yes	Go to the applicable PENDING CODE or DTC inspection. (See DTC TABLE [SKYACTIV-D 2.2].)
3		No	Go to the next step.
4	INSPECT GLOW CONTROL MODULE CONNECTOR CONDITION • Switch the ignition off. • Disconnect the glow control module connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 14.
4		No	Go to the next step.
5	INSPECT GLOW CONTROL MODULE POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT • Verify that the glow control module connector is disconnected. • Measure the voltage at the glow control module terminal 2C (wiring harness-side). • Is the voltage B+?	Yes	Go to the next step.
5		No	Inspect the GLOW 80 A fuse. • If the fuse is blown: ― Refer to the wiring diagram and verify whether or not there is a common connector between GLOW 80 A fuse and glow control module terminal 2C. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to ground. • Replace the fuse. • If the fuse is damaged: ― Replace the fuse. • If the fuse is normal: ― Refer to the wiring diagram and verify whether or not there is a common connector between battery positive terminal and glow control module terminal 2C. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 14.
6	INSPECT GLOW CONTROL MODULE POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT • Verify that the glow control module connector is disconnected. • Switch the ignition ON (engine off). • Measure the voltage at the glow control module terminal 2D (wiring harness-side). • Is the voltage B+?	Yes	Go to the next step.
6		No	Inspect the ENGINE1 15 A fuse. • If the fuse is blown: ― Refer to the wiring diagram and verify whether or not there is a common connector between ENGINE1 15 A and glow control module terminal 2D. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to ground. • Replace the fuse. • If the fuse is damaged: ― Replace the fuse. • If the fuse is normal: ― Refer to the wiring diagram and verify whether or not there is a common connector between main relay terminal D and glow control module terminal 2D. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 14.
7	INSPECT GLOW CONTROL MODULE GROUND CIRCUIT FOR OPEN CIRCUIT • Verify that the glow control module connector is disconnected. • Switch the ignition off. • Inspect for continuity between glow control module terminal 2A (wiring harness-side) and body ground. • Is there continuity?	Yes	Go to the next step.
7		No	Inspect the GLOW SIG 5 A fuse. • If the fuse is blown or deteriorated: ― Replace the fuse. • If the fuse is normal: ― Refer to the wiring diagram and verify whether or not there is a common connector between glow control module terminal 2A and body ground. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 14.
8	INSPECT GLOW CONTROL MODULE CIRCUIT FOR SHORT TO GROUND • Verify that the glow control module connector is disconnected. • Inspect for continuity between the following terminals (wiring harness-side) and body ground: ― Glow control module terminal 2B ― Glow control module terminal 2E • Is there continuity?	Yes	If the short to ground circuit could be detected in the wiring harness: • Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: ― Glow control module terminal 2B—PCM terminal 2I ― Glow control module terminal 2E—PCM terminal 2BA If there is a common connector: ― Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. ― Repair or replace the malfunctioning part. If there is no common connector: ― Repair or replace the wiring harness which has a short to ground. If the short to ground circuit could not be detected in the wiring harness: • Replace the PCM (short to ground in the PCM internal circuit). (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].) Go to Step 14.
8		No	Go to the next step.
9	INSPECT PCM CONNECTOR CONDITION • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 14.
9		No	Go to the next step.
10	INSPECT GLOW CONTROL MODULE CIRCUIT FOR SHORT TO POWER SUPPLY • Verify that the glow control module and PCM connectors are disconnected. • Switch the ignition ON (engine off). • Measure the voltage at the following terminals (wiring harness-side): ― Glow control module terminal 2B ― Glow control module terminal 2E • Is the voltage 0 V?	Yes	Go to the next step.
10		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Glow control module terminal 2B—PCM terminal 2I • Glow control module terminal 2E—PCM terminal 2BA If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to power supply. Go to Step 14.
11	INSPECT GLOW CONTROL MODULE CIRCUITS FOR SHORT TO EACH OTHER • Verify that the glow control module and PCM connectors are disconnected. • Switch the ignition off. • Inspect for continuity between glow control module terminals 2B and 2E (wiring harness-side). • Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Glow control module terminal 2B—PCM terminal 2I • Glow control module terminal 2E—PCM terminal 2BA If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to each other. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to each other. Go to Step 14.
11		No	Go to the next step.
12	INSPECT GLOW CONTROL MODULE CIRCUIT FOR OPEN CIRCUIT • Verify that the glow control module and PCM connectors are disconnected. • Inspect for continuity between the following terminals (wiring harness-side): ― Glow control module terminal 2B—PCM terminal 2I ― Glow control module terminal 2E—PCM terminal 2BA • Is there continuity?	Yes	Go to the next step.
12		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: • Glow control module terminal 2B—PCM terminal 2I • Glow control module terminal 2E—PCM terminal 2BA If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 14.
13	INSPECT GLOW CONTROL MODULE • Inspect the glow control module. (See GLOW PLUG CONTROL MODULE INSPECTION [SKYACTIV-D 2.2].) • Is there any malfunction?	Yes	Replace the glow control module, then go to the next step. (See GLOW PLUG CONTROL MODULE REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
13		No	Go to the next step.
14	VERIFY DTC TROUBLESHOOTING COMPLETED • Always reconnect all disconnected connectors. • Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE [SKYACTIV-D 2.2].) • Perform the DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].) • Is the same DTC present?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].) Go to the next step.
14		No	Go to the next step.
15	VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [SKYACTIV-D 2.2].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [SKYACTIV-D 2.2].)
15		No	DTC troubleshooting completed.