DTC P0616-23: Circuit Malfunction On Downstream Side Of Starter Relay: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

System malfunction location	Circuit malfunction on downstream side of starter relay
Detection condition	The start stop unit detects a short to ground in the starter relay downstream circuit continuously for 0.5 s or more for a continuous 5 times .
Fail-safe	-
Possible cause	DTCs are stored in the PCM. PCM connector or terminal malfunction Start stop unit connector or terminal malfunction Short to ground in wiring harness between start stop unit terminal 1D and PCM terminal 2AZ PCM malfunction Start stop unit malfunction