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Hybrid Battery Control System (Service Specifications): Other Lexus GS IV

Engine Control Systems

SERVICE DATA [03/2012 - ]

ItemSpecified Condition
Standard value (for brand-new cap)94 to 122 kPa (1.0 to 1.2 kgf/cm2, 13.6 to 17.7 psi)
Minimum standard value (for used cap)94 kPa (1.0 kgf/cm2, 13.6 psi)

RESERVOIR TANK CAP (FOR INVERTER)

ItemTester ConnectionSpecified Condition
IGCT relay Resistance3 - 510 kohms or higher (Auxiliary battery voltage is not applied across terminals 1 and 2)
3 - 5Below 1 ohms (Auxiliary battery voltage is applied across terminals 1 and 2)
INV W/ PMP relay Resistance3 - 510 kohms or higher (Auxiliary battery voltage is not applied across terminals 1 and 2)
3 - 5Below 1 ohms (Auxiliary battery voltage is applied across terminals 1 and 2)

RELAY

SMRB Resistance(+) connector - (+) terminal10 kohms or higher (Auxiliary battery voltage is not applied between terminals 4 (SMRB) and 2 (GND))
(+) connector - (+) terminalBelow 1 ohms (Auxiliary battery voltage is applied between terminals 4 (SMRB) and 2 (GND))
4 (SMRB) - 2 (GND)19.0 to 35.5 ohms at -40 to 176°F (-40 to 80°C)
SMRG Resistance(-) connector - (-) terminal10 kohms or higher (Auxiliary battery voltage is not applied between terminals 1 (SMRG) and 2 (GND))
(-) connector - (-) terminalBelow 1 ohms (Auxiliary battery voltage is applied between terminals 1 (SMRG) and 2 (GND))
1 (SMRG) - 2 (GND)19.0 to 35.5 ohms at -40 to 176°F (-40 to 80°C)
SMRP Resistance(-) connector - (-) terminal10 kohms or higher (Auxiliary battery voltage is not applied between terminals 3 (SMRP) and 2 (GND))
(-) connector - (-) terminal28.5 to 31.5 ohms (Auxiliary battery voltage is applied between terminals 3 (SMRP) and 2 (GND))
3 (SMRP) and 2 (GND)141 to 212 ohms at -40 to 176°F (-40 to 80°C)
EPS circuit Resistance1 (CPBE) - (+) terminalBelow 1 ohms
4 (CEPE) - (-) terminalBelow 1 ohms

HYBRID BATTERY JUNCTION BLOCK

EV Drive Mode Switch (Pattern Select Switch Assembly) ResistanceI48-4 (S) - I48-1 (E)Below 1 ohms (EV drive mode switch (pattern select switch assembly) being pushed and held)
I48-4 (S) - I48-1 (E)10 kohms or more (EV drive mode switch (pattern select switch assembly) not pushed)

COMBINATION SWITCH ASSEMBLY

Service plug gripBelow 1 ohms

SERVICE PLUG GRIP

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