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Discussion Starter #1
Hello All,

I have the Z12 cube with the 1.5L CVT. When I try to start it nothing happens. Key works and is detected, steering lock is disabled and works fine.

Battery: 13.4V
Bridged starter solenoid and bench tested it too, works 100% ok
Sounds like fuel pump primes when ignition is switched on
Brake pedal works - light comes on and instrument cluster light detects it
Tried starting in P and N, still no start
Checked all fuses
Checked IPDM starter control relay - has 12V with ignition on. Starter motor is 0V when I push the start button with brake pedal engaged.

I noticed when I bridge the starter to crank the tachometer shows nothing. Potential CPS fault too?
Not sure what else to check. Where is the actual starter motor relay? I can't find it.

Any other suggestions? Thanks.
 

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Discussion Starter #3
Hey guys, update on this. I traced the wiring back to the IPDM which wasn't supplying voltage to the ECM. I jumped the ECM power supply PIN to the battery directly and it started right up! Have a replacement IPDM on the way. If it still doesn't supply voltage then it could be something upstream of the IPDM - BCM maybe?
 
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