DESCRIPTION
While the engine is being cranked, battery voltage is applied to terminal STA of the TCM.
If the TCM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The TCM then illuminates the MIL and sets the DTC.
This monitor runs when the vehicle is driven at 20 km/h (12.43 mph) for over 20 seconds.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P0617 | When conditions (a), (b) and (c) are met, positive (+B) battery voltage 10.5 V or more applied to TCM for 20 seconds (1 trip detection logic): (a) Vehicle speed more than 20 km/h (12.43 mph) (b) Engine speed more than 1000 rpm (c) STA signal ON |
|
MONITOR STRATEGY
| Related DTCs | P0617: Starter signal |
| Required Sensors/Components (Main) | STARTER relay, PNP switch, engine switch |
| Required Sensors/Components (Sub) | Vehicle speed sensor (VSS), Crankshaft Position (CKP) sensor |
| Frequency of Operation | Continuous |
| Duration | 20 seconds |
| MIL Operation | Immediate |
| Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
| Monitor runs whenever these DTCs are not present: | None |
| Battery voltage | 10.5 V or more |
| Vehicle speed | 12.43 mph (20 km/h) or more |
| Engine speed | 1,000 rpm or more |
TYPICAL MALFUNCTION THRESHOLDS
| Starter signal | ON |
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
Perform the universal trip to clear permanent DTCs Click here.
Tech Tips
The following troubleshooting flowchart is based on the premise that the engine is cranked normally. If the engine does not crank, proceed to the problem symptoms table Click here.
Read freeze frame data using the Techstream. The TCM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air-fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction Click here.
PROCEDURE
READ VALUE USING TECHSTREAM (STARTER SIGNAL)
Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Enter the following menus: Powertrain / ECT / Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Starter Signal | Starter signal/ Open or Close |
Open: Starter operating Close: Starter not operating |
- |
Crank the engine.
Read the value displayed on the Techstream.
| OK | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY Click here |
| OK |
|
CHECK FOR INTERMITTENT PROBLEMS Click here
INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY
| *a | Component without harness connected (Park/Neutral Position Switch) |
Disconnect the park/neutral position switch connector.
Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.
| Standard Resistance | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (TCM - PARK/NEUTRAL POSITION SWITCH)
| *a | Front view of wire harness connector (to TCM) |
Disconnect the TCM connector.
Remove the ST relay from the engine room relay block and junction block assembly.
Disconnect the park/neutral position switch connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK WHETHER DTC OUTPUT RECURS
Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Clear the DTCs Click here.
Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
Enter the following menus: Powertrain / ECT/ Trouble Codes.
Read the DTCs.
| Result | Proceed to |
|---|---|
| DTC is not output | OK |
| DTC P0617 is output | NG |
| NG |
|
REPLACE TCM Click here |
| OK |
|
END