Lexus ES: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY
| *a | Component without harness connected (HORN 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 not applied between terminals 1 and 2 | 10 kΩ or higher |
| 3 - 5 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω |
If the result is not as specified, replace the HORN relay.
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
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