Lexus ES manuals

Lexus ES: Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT DEF RELAY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 4

Auxiliary battery voltage applied between terminals 1 and 2

10 kΩ or higher

3 - 4

Auxiliary battery voltage not applied between terminals

Below 1 Ω

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

3 - 5

Auxiliary battery voltage not applied between terminals

10 kΩ or higher

4 - 5

Always

10 kΩ or higher

If the result is not as specified, replace the DEF relay.

2. INSPECT DEICER RELAY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

3 - 5

Auxiliary battery voltage not applied between terminals

10 kΩ or higher

If the result is not as specified, replace the deicer relay.

3. INSPECT HWD RELAY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

3 - 5

Auxiliary battery voltage not applied between terminals

10 kΩ or higher

If the result is not as specified, replace the HWD relay.

READ NEXT:

 Window Defogger System (for Gasoline Model)

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cab

 Parts Location

PARTS LOCATION ILLUSTRATION *1 DEF RELAY *2 REAR WINDOW DEFOGGER WIRE *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - DEF FUSE *4 BACK WINDOW GLASS ILLUSTRA

SEE MORE:

 Disposal

DISPOSAL PROCEDURE 1. DISPOSE OF SUSPENSION TOWER DAMPER (a) Using a hacksaw, cut the cylinder between (A) and (B) shown in the illustration to discharge the gas inside. *a 10 mm CAUTION: Always use a cloth to prevent shards of metal from flying about due to the release of pressurized ga

 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 rear television camera assembly removal/installation are shown below. Necessary Procedure After Parts R

© 2016-2025 Copyright www.lexguide.net