P0700
FA20 ENGINE CONTROL: SFI SYSTEM: P0700; Transmission Control System (MIL Request); 2013 MY FR-S [03/2012 -]
P0700 - Transmission Control System (MIL Request)
DESCRIPTION
The ECM and TCM communicate with each other via the CAN communication line. If the TCM detects an automatic transmission malfunction, the ECM receives this signal.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work Service Precautions.
HINT
Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
PROCEDURE
1. CHECK DTC OUTPUT (AUTOMATIC TRANSMISSION SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / ECT / Trouble Codes.
(e) Read DTCs.
Result
B -- GO TO AUTOMATIC TRANSMISSION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
2. READ OUTPUT DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON.
(g) Turn the Techstream on.
(h) Enter the following menus: Powertrain / Engine / Trouble Codes.
(i) Read DTCs.
Result
B -- REPLACE ECM Removal
A -- CHECK FOR INTERMITTENT PROBLEMS Check For Intermittent Problems