DTC P1783:00

id050200820700

DTC P01783:00

ATF high oil temperature malfunction

DETECTION CONDITION

•  The PCM detects that ATF temperature is more than 149.5ÅãC {301.1 ÅãF} when the following conditions are met.

―  TFT sensor circuit malfunction: not stored

―  Input voltage from the TFT sensor is more than 0.06 V

Diagnostic support note:

•  This is a continuous monitor (CCM).

•  The MIL does not illuminate.

•  The HOLD indicator light flashes.

•  PENDING CODE is not available.

•  FREEZE FRAME DATA is not available.

•  DTCs are stored in the PCM memory.

POSSIBLE CAUSE

•  High engine load drive (Driving a steep gradient at a low speed.)

•  Insufficient or excess level of ATF

•  Deteriorated ATF

•  PCM malfunction

DTC P01783:00	ATF high oil temperature malfunction
DETECTION CONDITION	• The PCM detects that ATF temperature is more than 149.5ÅãC {301.1 ÅãF} when the following conditions are met. ― TFT sensor circuit malfunction: not stored ― Input voltage from the TFT sensor is more than 0.06 V Diagnostic support note: • This is a continuous monitor (CCM). • The MIL does not illuminate. • The HOLD indicator light flashes. • PENDING CODE is not available. • FREEZE FRAME DATA is not available. • DTCs are stored in the PCM memory.
POSSIBLE CAUSE	• High engine load drive (Driving a steep gradient at a low speed.) • Insufficient or excess level of ATF • Deteriorated ATF • PCM malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has the FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related Service Bulletins and/or on-line repair information availability. • Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. • If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	VERIFY VEHICLE DRIVING CONDITIONS • Verify each PID monitor of the HTM_CNT and HTM_DIS. • Verify vehicle driving conditions when a DTC P1783:00 is output. • Has the vehicle been driven at a high engine load?	Yes	Go to Step 6. Inform the customer that the transaxle temperature is high due to high engine load driving.
3		No	Go to the next step.
4	INSPECT ATF CONDITION • Inspect the ATF condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.) • Is it normal?	Yes	Go to the next step.
4		No	Replace the ATF, then go to Step 6. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.)
5	INSPECT ATF LEVEL • Inspect the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.) • Is it normal?	Yes	Go to the next step.
5		No	Add ATF to the specified level, then go to the next step. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.)
6	VERIFY TROUBLESHOOTING OF DTC P1783:00 COMPLETED • Make sure to reconnect all the disconnected connectors. • Clear the DTC from the memory using the M-MDS. • Perform the following procedure to ensure that the DTC has been resolved: ― Start the engine. ― Warm up the transaxle. • Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [ZJ, ZY].)
6		No	No concern is detected. Go to the next step.
7	VERIFY AFTER REPAIR PROCEDURE • Perform the “After Repair Procedure”. (See AFTER REPAIR PROCEDURE.) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE.)
7		No	DTC troubleshooting completed.