Diagnostic Procedure

DTC C1036:11 (EVP CONTROL UNIT) DIAGNOSTIC PROCEDURE

Step	INSPECTION		Action
1	RECORD SNAPSHOT DATA TO UTILIZE WITH REPEATABILITY VERIFICATION NOTE: Recording can be facilitated using the screen capture function of the PC. Record the snapshot data on the repair order.	-	Go to the next Step.
2	INSPECT ELECTRIC VACUUM PUMP CIRCUIT FOR SHORT TO GROUND CIRCUIT Switch the ignition OFF. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .) Disconnect the electric vacuum pump and EVP control unit connectors. Inspect for continuity between electric vacuum pump terminal A (wiring harness-side) and body ground. Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between electric vacuum pump terminal A and EVP control unit terminal E. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground circuit. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to ground circuit. Go to Step 7.
2		No	Go to the next Step.
3	DETERMINE WHETHER MALFUNCTION IS PAST OR PRESENT Switch the ignition ON (engine off). Access the following EVP control unit PIDs using the M-MDS: VP_MV VPR2_V Verify PID VP_MV when the VPR2_V PID is Off. Is the VP_MV PID value 1 V or more?	Yes	Go to the next Step.
3		No	Replace the EVP control unit, then go to Step 8. (See EVP CONTROL UNIT REMOVAL/INSTALLATION .)
4	VERIFY DTC REPEATABILITY NOTE: When clearing the DTC, the snapshot data is also cleared at the same time. Snapshot data is recorded if it is not recorded in Step 1. Using the M-MDS, clear the DTC from the EVP control unit. (See CLEARING DTC [EVP CONTROL UNIT] .) Switch the ignition ON (engine off). Using the M-MDS, perform the EVP control unit DTC inspection. (See DTC INSPECTION [EVP CONTROL UNIT] .) Is the same Pending DTC present?	Yes	Replace the EVP control unit, then go to Step 8. (See EVP CONTROL UNIT REMOVAL/INSTALLATION .)
4		No	Go to the next Step.
5	DRIVE VEHICLE THEN VERIFY DTC REPEATABILITY BASED ON SERVICE QUESTIONING RESULTS AND SNAPSHOT DATA Switch the ignition ON (engine off). Access the following EVP control unit PIDs using the M-MDS: VP_MV VPR2_V Drive the vehicle based on the service questions content and snapshot data driving conditions. Verify PID VP_MV when the VPR2_V PID is Off. Is the VP_MV PID value 1 V or more?	Yes	Go to the next Step.
5		No	Replace the EVP control unit, then go to Step 8. (See EVP CONTROL UNIT REMOVAL/INSTALLATION .)
6	VERIFY DTC REPEATABILITY AND DETERMINE IF MALFUNCTION CAUSE IS EVP CONTROL UNIT Using the M-MDS, clear the DTC from the EVP control unit. (See CLEARING DTC [EVP CONTROL UNIT] .) Switch the ignition ON (engine off). Using the M-MDS, perform the EVP control unit DTC inspection. (See DTC INSPECTION [EVP CONTROL UNIT] .) Is the same Pending DTC present?	Yes	Replace the EVP control unit, then go to Step 8. (See EVP CONTROL UNIT REMOVAL/INSTALLATION .)
6		No	DTC troubleshooting completed. Explain to the customer that there are no malfunctions with the vehicle based on the contents of the servicing.
7	VERIFY DTC TROUBLESHOOTING COMPLETED Using the M-MDS, clear the DTC from the EVP control unit. (See CLEARING DTC [EVP CONTROL UNIT] .) Using the M-MDS, perform the EVP control unit DTC inspection. (See DTC INSPECTION [EVP CONTROL UNIT] .) Is the same Pending DTC present?	Yes	Repeat the inspection from Step l. If the malfunction recurs, replace the EVP control unit, then go to the next Step. (See EVP CONTROL UNIT REMOVAL/INSTALLATION .)
7		No	Go to the next Step.
8	VERIFY NO DTC IS PRESENT Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [EVP CONTROL UNIT] .)
8	VERIFY NO DTC IS PRESENT Are any DTCs present?	No	DTC troubleshooting completed.