Lexus ES: Inspection
INSPECTION
PROCEDURE
1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY
| (a) Perform a visual check for any foreign matter on the intake air temperature sensor (thermistor) of the mass air flow meter sub-assembly shown in the illustration. OK: There is no foreign matter. If the result is not as specified, clean the intake air temperature sensor (thermistor). |
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(b) Clean the intake air temperature sensor (thermistor).
NOTICE:
- Do not contact the mass air flow meter sub-assembly with the nozzle of the air blow gun.
- Do not insert the nozzle of the air blow gun into the intake air temperature sensor (thermistor) area.
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| *a | Air Blow Gun |
| *b | 10 mm (0.394 in.) |
| *c | Intake Air Temperature Sensor (Thermistor) |
| (1) Using an air blow gun, clean the intake air temperature sensor (thermistor) area of the mass air flow meter sub-assembly by applying approximately 10 intermittent bursts of air to the intake air temperature sensor (thermistor) area at a pressure of approximately 392 to 981 kPa (4.0 to 10.0 kgf/cm2, 57 to 142 psi). HINT: After performing cleaning, read the value of Data List item "Mass Air Flow Sensor" using the Techstream and if the value is not as specified, replace the mass air flow meter sub-assembly. |
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| (c) Check the intake air temperature sensor (thermistor) 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 mass air flow meter sub-assembly. |
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Installation
INSTALLATION PROCEDURE 1. INSTALL MASS AIR FLOW METER SUB-ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Click here (a) Install the mass ai
Relay
On-vehicle InspectionON-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
SEE MORE:
Image from Camera for Panoramic View Monitor is Abnormal
DESCRIPTION The display signal from each camera is transmitted to the multi-display assembly via the parking assist ECU. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) auxiliary battery ter
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the telematics system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, check that the problem symptoms h
