Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK LAN SYSTEM. Inspect LAN system.	Is LAN system normal?	Go to step 2 .	Perform the inspection according to the diagnosis for LAN system.
2 CHECK HARNESS. Disconnect the keyless access CM connector and ECM connector. Using a tester, measure the resistance between the keyless access CM connector and ECM. Connector & terminal (i241) No. 28 - (B135) No. 32:	Is the resistance less than 1 Ω?	Go to step 3 .	Repair or replace the open circuit of harness.
3 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (i241) No. 28 - Chassis ground:	Is the resistance 10 kΩ or more?	Go to step 4 .	Repair or replace the short circuit of the harness.
4 CHECK HARNESS. Using a tester, measure the resistance between the keyless access CM connector and chassis ground. Connector & terminal (B572) No. 11 - Chassis ground:	Is the resistance less than 1 Ω?	Go to step 5 .	Repair or replace the open circuit of harness.
5 CHECK KEYLESS ACCESS CM. Connect the keyless access CM connector and ECM connector. Using a tester, measure the voltage between terminals of the keyless access CM connector when the push button ignition switch is pressed while depressing the brake pedal, with the shift lever in the P range for model except for MT or while depressing the clutch pedal for MT model. Connector & terminal (i241) No. 28 (+) - (B572) No. 11 (-):	Is the voltage 9.5 - 16 V → 1 V or less?	Replace the keyless access CM. < Refer to KEYLESS ACCESS CM . >	Replace the ECM. < Refer to REMOVAL , Engine Control Module (ECM). >