Lexus ES: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT MAIN RELAY (EFI-MAIN NO. 1)
(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 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the main relay (EFI-MAIN NO. 1). | |
2. INSPECT MAIN RELAY (EFI-MAIN NO. 2)
(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 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the main relay (EFI-MAIN NO. 2). | |
3. INSPECT MAIN RELAY (A/F HTR)
(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 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the main relay (A/F HTR). | |
4. INSPECT INJECTOR RELAY (D INJ)
(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 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the injector relay (D INJ). | |
5. INSPECT VVT RELAY (VVT)
(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 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the VVT relay (VVT). | |
6. INSPECT NO. 2 IGNITION RELAY (IG2 NO. 1)
(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 | Auxiliary battery voltage applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the No. 2 ignition relay (IG2 NO. 1). | |
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PRECAUTION WHEN USING TECHSTREAM CAUTION: Observe the following items for safety reasons:
Before using the Techstream, read the instruction manual.
Prevent the Techstream cable from being caught
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