Lexus ES: Inspection
INSPECTION
PROCEDURE
1. INSPECT VACUUM SWITCHING VALVE (for Active Control Engine Mount System)
(a) Measure the resistance.
| (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the vacuum switching valve (for active control engine mount system). |
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(b) Check the operation of the vacuum switching valve (for active control engine mount system).
| (1) Using a vacuum pump, apply a vacuum of 67 kPa (503 mmHg, 19.8 in. Hg) to port (F) and check that the vacuum is maintained. OK: Vacuum pressure holds. If the result is not as specified, replace the vacuum switching valve (for active control engine mount system). |
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| (2) Check that air flows from port (E) to port (G). Standard: Air flows from port (E) to port (G). If the result is not as specified, replace the vacuum switching valve (for active control engine mount system). |
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| (3) Apply battery voltage to the terminals and check that air flows from port (E) to port (F). Standard: Air flows from port (E) to port (F). If the result is not as specified, replace the vacuum switching valve (for active control engine mount system). |
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Installation
INSTALLATION PROCEDURE 1. INSTALL VACUUM SWITCHING VALVE (for Active Control Engine Mount System) (a) Install the vacuum switching valve (for active control engine mount system) to the front engine mo
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Components
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Hybrid/EV Battery Precharge Contactor Circuit Short to Ground (P0AE411)
DESCRIPTION The SMRs (System Main Relays) are the relays that connect or disconnect the high-voltage system in accordance with commands from the hybrid vehicle control ECU. There are 3 SMRs and 1 system main resistor. SMRB, SMRP, SMRG and the system main resistor are located in the HV battery juncti
