HYBRID / BATTERY CONTROL SERVICE DATA

Reserve Tank Cap (for Inverter)
Item Specified Condition
Standard value (for brand-new cap)

94 to 122 kPa (1.0 to 1.2 kgf/cm2, 13.6 to 18 psi)

Minimum standard value (for used cap)

94 kPa (1.0 kgf/cm2, 13.6 psi)

Relay
Item Tester Connection Specified Condition

IGCT relay

Resistance

3 - 5

10 kΩ or higher

(Auxiliary battery voltage is not applied across terminals 1 and 2)

Below 1 Ω

(Auxiliary battery voltage is applied across terminals 1 and 2)

Hybrid Battery Junction Block

SMRB

Resistance

W2-1 (CBI) - A-1(+)

10 kΩ or higher

(Auxiliary battery voltage is not applied between terminals L49- 1 (SMRB) and L49-2 (GND))

Below 1 Ω

(Auxiliary battery voltage is applied between terminals L49- 1 (SMRB) and L49-2 (GND))

L49-1 (SMRB) - L49-2 (GND) 25.0 to 59.0 Ω (at -40 to 80°C (-40 to 176°F))

SMRG

Resistance

W3-1 (CEI) - t1-1(-)

10 kΩ or higher

(Auxiliary battery voltage is not applied between terminals L49- 3 (SMRG) and L49-2 (GND))

Below 1 Ω

(Auxiliary battery voltage is applied between terminals L49- 3 (SMRG) and L49-2 (GND))

L49-3 (SMRG) - L49-2 (GND) 25.0 to 59.0 Ω (at -40 to 80°C (-40 to 176°F))

SMRP

Resistance

W3-1 (CEI) - t1-1(-)

10 kΩ or higher

(Auxiliary battery voltage is not applied between terminals L49-4 (SMRP) and L49-2 (GND))

28.5 to 31.5 Ω

(Auxiliary battery voltage is applied between terminals L49-4 (SMRP) and L49-2 (GND))

L49-4 (SMRP) - L49-2 (GND) 112 to 274 Ω (at -40 to 80°C (-40 to 176°F))
Combination switch assembly
EV drive mode switch 8 (S) - 3 (E)

Below 50 Ω

(EV drive mode switch being pushed and held)

10 kΩ or higher

(EV drive mode switch not pushed)

ECO mode switch 2 (ECU) - 3 (E)

Below 50 Ω

(ECO mode switch being pushed and held)

10 kΩ or higher

(ECO mode mode switch not pushed)

PWR mode switch 8 (PWR) - 3 (E)

Below 50 Ω

(PWR mode switch being pushed and held)

10 kΩ or higher

(PWR mode mode switch not pushed)

Illumination Auxiliary battery positive (+) → 6 (ILL+) Auxiliary battery negative (-) → 5 (ILL-) Illuminates
Service plug grip
Service plug grip Always Below 1 Ω
COOLANT
Capacity Classification
2.1 liters (2.2 US qts, 1.8 Imp. qts.) Use only "TOYOTA Super Long Life Coolant" or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, non-borate coolant with long-life hybrid organic acid technology (coolant with long-life hybrid organic acid technology consists of a combination of low phosphates and organic acids).