Toyota Prius: Heater Relay (for Phev Model)

• Removal
• Inspection
• Installation

Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during No. 1 traction battery heater relay removal/installation are shown below.

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

Click here

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Items for which learning is completed by driving the Toyota Prius vehicle

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the Toyota Prius vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

Items for which learning is completed by operating the vehicle normally

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
*1: w/o Power Back Door System *2: w/ Power Back Door System
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Power Back Door System*2	Reset back door close position
Air Conditioning System	After the ignition switch is turned to ON, the servo motor and expansion valve standard position is recognized.	-

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	HV SUPPLY BATTERY ASSEMBLY	G9510	-	-	-
2	NO. 1 TRACTION BATTERY COVER	-		-	-
3	NO. 1 TRACTION BATTERY HEATER RELAY	G96J1		-	-

*1	NO. 1 HV BATTERY SEAL	-	-
●	Non-reusable part	-	-

PROCEDURE

1. REMOVE HV SUPPLY BATTERY ASSEMBLY

Click here

2. REMOVE NO. 1 TRACTION BATTERY COVER

Click here

3. REMOVE NO. 1 TRACTION BATTERY HEATER RELAY

CAUTION: Be sure to wear insulated gloves and protective goggles.

Inspection

INSPECTION

PROCEDURE

1. INSPECT NO. 1 TRACTION BATTERY HEATER RELAY

(a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Click Location & Routing(x14) Click Connector(x14) Tester Connection Condition Specified Condition x14-1(BH0) -x14-3(HR0) Auxiliary battery voltage not applied between terminals x14-11(BHR) and x14-8(BHRG) 10 kΩ or higher Auxiliary battery voltage applied between terminals x14-11(BHR) and x14-8(BHRG) Below 1 Ω x14-6(BH1) -x14-4(HR1) Auxiliary battery voltage not applied between terminals x14-11(BHR) and x14-8(BHRG) 10 kΩ or higher Auxiliary battery voltage applied between terminals x14-11(BHR) and x14-8(BHRG) Below 1 Ω If the result is not as specified, replace the No. 1 traction battery heater relay.

*a Component without harness connected (No. 1 traction battery heater relay)

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	NO. 1 TRACTION BATTERY HEATER RELAY	G96J1		-	-
2	NO. 1 TRACTION BATTERY COVER	-		-	-
3	CHECK FOR AIRTIGHTNESS	-	-	-
4	HV SUPPLY BATTERY ASSEMBLY	G9510	-	-	-

*1	NO. 1 HV BATTERY SEAL	-	-
	N*m (kgf*cm, ft.*lbf): Specified torque	●	Non-reusable part

PROCEDURE

1. INSTALL NO. 1 TRACTION BATTERY HEATER RELAY

CAUTION: Be sure to wear insulated gloves and protective goggles.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

2. INSTALL NO. 1 TRACTION BATTERY COVER

Click here

3. CHECK FOR AIRTIGHTNESS (COMPONENT)

Click here

4. INSTALL HV SUPPLY BATTERY ASSEMBLY

Click here