DTC P0616-29; Downstream Side Of Starter Relay Signal Malfunction: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

Description	Downstream side of starter relay signal malfunction
Detection condition	Start stop unit detects that the following signals are unmatched for 0.5 s or more for a continuous 5 times. Transmission range switch (ATX)/starter interlock switch (MTX) condition Starter relay downstream circuit condition PCM control result CAN signal condition output from PCM
Fail-safe	Not applicable
Possible cause	DTCs are stored in the PCM. PCM malfunction Start stop unit malfunction
System wiring diagram	Not applicable