CPLT Signal System

WARNING: This page is about a different variant/trim than selected.

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Refer to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

Wiring diagram:

Charging system Refer to WIRING SYSTEM (CROSSTREK MODEL (HEV))>CHARGING SYSTEM>WIRING DIAGRAM .

Courtesy of SUBARU OF AMERICA, INC.

Courtesy of SUBARU OF AMERICA, INC.

CHECK DATA MONITOR (Charging Current Duty from Charger/Time Cycle of Charging Current Duty from Charger).

Using the Subaru Select Monitor, display the following items in the [Data monitor] of [Plug-in Battery Charger]. Refer to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>DATA MONITOR .
- Charging Current Duty from Charger
- Time Cycle of Charging Current Duty from Charger

Item name	Item explanation	Display range	Standard
Charging Current Duty from Charger	Indicates the charging current command value.	0.00 - 100.00%	5 - 39%: Charging connector connected 0%: EVSE (charging equipment) system not connected, or power not available
Time Cycle of Charging Current Duty from Charger	Indicates the time for 1 CPLT cycle.	0 - 65535 μs	951 - 1049 μs: CPLT oscillating

Is the Data Monitor value within the standard range?

Yes: Refer to Diagnostics with Phenomenon. Refer to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>LIST .

No: Go to 2.

CHECK AC charger inlet cable (CHASSIS GROUND).
NOTE: Remove the Electric vehicle charger cable assembly before performing this check.
1. Open the Charging inlet door.
2. Using a tester, measure the resistance between the AC charger inlet cable (Charging inlet) and chassis ground.
  Connector & terminal
  
  (HV29) No. 5 - Chassis ground:
Is the resistance less than 1 Ω?

Yes: Go to 3.

No: Go to 7.
CHECK HARNESS AND CONNECTORS (Electric vehicle charger assembly -Charging inlet) (OPEN CIRCUIT).
CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
1. Check that the Service plug is disconnected. Refer to HYBRID ELECTRIC VEHICLE>SERVICE PLUG .
2. Disconnect Electric vehicle charger assembly connector (HV31).
3. Using a tester, measure the resistance between the Electric vehicle charger assembly connector and AC charger inlet cable (Charging inlet).
  Connector & terminal
  
  (HV31) No. 5 - (HV29) No. 3:
Is the resistance less than 1 Ω?

Yes: Go to 4.

No: Replace AC charger inlet cable. Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .
CHECK THE HARNESS AND CONNECTOR (Electric vehicle charger assembly - Charging inlet) (SHORT CIRCUIT TO GROUND AND SHORT CIRCUIT BETWEEN LINES).
CAUTION: Make sure to wear insulated gloves and protective goggles during the work.

Using a tester, measure the resistance between terminals in the AC charger inlet cable (Charging inlet), and between the AC charger inlet cable (Charging inlet) connector and chassis ground.

Connector & terminal

(HV29) No. 3 - (HV29) No. 1 - 5:

(HV29) No. 3 - Chassis ground:

(HV29) No. 5 - (HV29) No. 1 - 5:

(HV29) No. 5 - Chassis ground:

Is the resistance 10 kΩ or more?

Yes: Go to 5.

No: Replace AC charger inlet cable. Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .
CHECK THE HARNESS AND CONNECTOR (Electric vehicle charger assembly - Charging inlet) (POWER SUPPLY SHORT CIRCUIT).
CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
1. Connect the negative terminal of the Battery (12V). Refer to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
2. Turn to IG ON.
3. Using a tester, measure the voltage between the AC charger inlet cable (Charging inlet) connector and chassis ground.
  Connector & terminal
  
  (HV29) No. 3 (+) - Chassis ground (-):
Is the voltage less than 1 V?

Yes: Go to 6.

No: Go to 8.
CHECK THE AC charger inlet cable UNIT (CPLT VOLTAGE).
1. Turn the ignition to OFF.
2. Disconnect the negative terminal of the Battery (12V). Refer to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
3. Check the AC charger inlet cable unit. Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .
Is the AC charger inlet cable OK?

Yes: Replace Electric vehicle charger assembly. Refer to HYBRID ELECTRIC VEHICLE>ELECTRIC VEHICLE CHARGER .

No: Replace AC charger inlet cable. Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .
CHECK GROUNDING POINT CONNECTION (AC charger inlet cable).
Check connection of AC charger inlet cable grounding point (GB11). Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .

Is the grounding point connected securely?

Yes: Replace AC charger inlet cable. Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .

No: Connect it securely.
CHECK HARNESS AND CONNECTORS (Electric vehicle charger assembly -AC charger inlet cable) (OPEN CIRCUIT).
CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
1. Turn the ignition to OFF.
2. Disconnect the negative terminal of the Battery (12V). Refer to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
3. Disconnect AC charger inlet cable connector (HV27).
4. Using a tester, measure the resistance between AC charger inlet cable connector and Electric vehicle charger assembly connector.
  Connector & terminal
  
  (HV31) No. 5 - (R523) No. 14:
Is the resistance less than 1 Ω?

Yes: Go to 9.

No: Repair or replace the harness between AC charger inlet cable connector and Electric vehicle charger assembly connector.
CHECK THE HARNESS AND CONNECTOR (Electric vehicle charger assembly - CHARGING INLET CABLE) (SHORT CIRCUIT TO GROUND AND SHORT CIRCUIT BETWEEN LINES).
CAUTION: Make sure to wear insulated gloves and protective goggles during the work.

Using a tester, measure the resistance between terminals in Electric vehicle charger assembly connector, and between Electric vehicle charger assembly connector and chassis ground.

Connector & terminal

(HV31) No. 5 - (HV31) No. 1 - 40:

(HV31) No. 5 - Chassis ground:

Is the resistance 10 kΩ or more?

Yes: Go to 10.

No: Repair or replace the harness between AC charger inlet cable connector and Electric vehicle charger assembly connector.
CHECK THE HARNESS AND CONNECTOR (Electric vehicle charger assembly - CHARGING INLET CABLE) (POWER SUPPLY SHORT CIRCUIT).
CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
1. Connect the negative terminal of the Battery (12V). Refer to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
2. Turn to IG ON.
3. Using a tester, measure the voltage between Electric vehicle charger assembly connector and chassis ground.
  Connector & terminal
  
  (HV31) No. 5 (+) - Chassis ground (-):
Is the voltage less than 1 V?

Yes: Replace AC charger inlet cable. Refer to HYBRID ELECTRIC VEHICLE>CHARGE INLET .

No: Repair or replace the harness between AC charger inlet cable connector and Electric vehicle charger assembly connector.

GENERAL DESCRIPTION

Circuit explanation

The Electric vehicle charger assembly uses the CPLT signal to detect that the Electric vehicle charger cable assembly is connected and charging is possible. It then starts the plug-in charger control system and changes the CPLT signal voltage. The Electric vehicle charger assembly also uses the CPLT signal waveform duty ratio to recognize the rated current of the charging equipment (household power supply + Electric vehicle charger cable assembly or charger), and again changes the CPLT signal voltage to send notice to the charging equipment side (CCID unit) that the vehicle side is ready for charging.