4.
Measure resistance between terminal "3" of the ESP switch harness connector and terminal "4" of the ESP switch harness connector.
a.
Specification : Approx. below 1Ω
Ignition "OFF".
Disconnect ESP switch connector.
Press the ESP switch.
Measure resistance between terminal "3" of the ESP switch harness connector and terminal "4" of the ESP switch harness connector.
Specification : Approx. below 1Ω
Is the measured resistance within specifications?
YES
Fault is intermittent caused by poor connection in esp switch line or was repaired and HECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
Substitute with a known-good ESP switch and check for proper operation. If problem is corrected, replace ESP switch and then go to "Verification of Vehicle Repair" procedure.
