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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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DTC P0707:00 [TCM (SJ6A-EL)]

DTC P0707:00	TR switch: Short circuit
DETECTION CONDITION	Vehicle condition: TCM normal during engine rotation Status: Detects TR switch multiple input Period: Confirmed 5 times in 2 s or more
FAIL-SAFE FUNCTION	When multiple position contact points are on, the selected position is determined by the following order of priority. D>R>N (P) When all of the position contact points are off, the D position is determined. Inhibits learning control. Inhibits direct mode. Inhibits AAS mode. Inhibits the neutral control.
POSSIBLE CAUSE	Short to ground in wiring harness between TR switch terminal B and TCM terminal 1O Short to ground in wiring harness between TR switch terminal C and TCM terminal 1M Short to ground in wiring harness between TR switch terminal H and TCM terminal 1N Short to ground in wiring harness between TR switch terminal D and TCM terminal 1K TCM connector or terminal malfunction TR switch connector or terminal malfunction TR switch malfunction TCM malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION NOTE: Recording can be facilitated using the screen capture of the PC function. Record the freeze frame data/snap shot data.	—	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.
		No	Go to the next step.
3	INSPECT TR SWITCH CIRCUIT Connect the TCM connector. Switch the ignition ON (engine off). Inspect the voltage between TCM terminal (wiring harness-side) and body ground. TCM terminal 1O P position: 0 V Other position: B+ TCM terminal 1M R position: 0 V Other position: B+ TCM terminal 1N N position: 0 V Other position: B+ TCM terminal 1K D position: 0 V Other position: B+ Are any of following terminal voltage turned on for even a moment while shifting selector lever slowly from P to D position?	Yes	Go to Step 8.
		No	Go to the next step.
4	INSPECT TR SWITCH CIRCUIT Are all terminal voltage 0 V in Step 3?	Yes	Go to Step 8.
		No	Go to the next step.
5	INSPECT TCM CONNECTOR FOR POOR CONNECTION Switch the ignition off. Disconnect the TCM connector. Inspect for poor connection at TCM terminals 1O, 1K, 1M and 1N (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the connector and/or terminal, then go to Step 8.
		No	Go to the next step.
6	INSPECT TR SWITCH CONNECTOR FOR POOR CONNECTION Disconnect the TR switch connector. Inspect for poor connection at TR switch terminals B, C, D and H (part-side) (such as damaged/pulled-out pins, corrosion) Are TR switch terminals normal?	Yes	Go to the next step.
		No	Repair terminals or replace the TR switch, then go to Step 8. (See TRANSMISSION RANGE (TR) SWITCH REMOVAL/INSTALLATION [SJ6A-EL].)
7	INSPECT TR SWITCH Inspect the TR switch. (See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL].) Is the TR switch normal?	Yes	Repair or replace the wiring harness for open circuit, then go to the next step.
		No	Replace the TR switch, then go to the next step. (See TRANSMISSION RANGE (TR) SWITCH REMOVAL/INSTALLATION [SJ6A-EL].)
8	VERIFY SAME DTC IS NOT PRESENT Always reconnect all disconnected connectors. Clear the DTC using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)].) Perform the following procedure to ensure that the DTC has been resolved: Start the engine. Warm-up the engine to normal operating temperature. Depress the brake pedal, and shift the selector lever from P to D for 2 s or more. Perform the DTC inspection using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)].) Is the same DTC present?	Yes	Replace the TCM, then go to the next step. (See TCM REMOVAL/INSTALLATION [SJ6A-EL].)
		No	Go to the next step.
9	VERIFY DTC TROUBLESHOOTING COMPLETED Clear the DTC using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)].) Perform the DTC inspection using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)].) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (SJ6A-EL)].)
		No	DTC troubleshooting completed.

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