Code No.P0985: Shift solenoid SR system (Short circuit)

SHIFT SOLENOID SYSTEM CIRCUIT

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OPERATION

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DIAGNOSIS CODE SET CONDITIONS

When the shift solenoid SR is ON, if a status continues for 0.5 seconds with which the A/T-ECU terminal monitor signal is OFF (1 drive cycle), code No.P0985 is set.

PROBABLE CAUSES

Malfunction of shift solenoid SR
Damaged harness wires and connectors
Malfunction of the A/T-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III actuator test

Item 3: Shift solenoid SR

OK: Operating sound can be heard.

Q. Is the check result normal?

	Go to Step 4.

	Go to Step 2.

STEP 2. Measure the resistance at A/T control solenoid valve assembly connector.

Disconnect the connector, and measure the resistance between terminal No.2 and body earth at the solenoid side.

OK: 11 - 15 Ω (A/T fluid temperature 20°C)

Q. Is the check result normal?

	Go to Step 3.

	Replace the shift solenoid SR and solenoid harness.

STEP 3. Check for the short circuit in SVSC line between A/T control solenoid valve assembly connector and A/T-ECU connector.

Q. Is the check result normal?

	Go to Step 4.

	Repair the connector(s) or the wiring harness.

STEP 4. Check whether the diagnosis code is set again.

Check again if the diagnosis code is set.

Q. Is diagnosis code No.P0985 set?

	Replace the A/T-ECU.

	Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction .)