Car wont crank and radiator fan turned on - not steering lock issue

ZeN · 07-31-2023, 11:13 PM

Guys, I need help and pointers. I have a RHD 09 7AT. This engine problem has been going on for a while where it took multiple pressing of the switch+brake pedal to even get the starter cranking, once it cranks the engine does turn. This time it just move to ON and there was a loud click from the engine bay and I notice the radiator fan also turn on slowly and build RPM to full speed. Is this normal?

Previously jump-starts work but now it won't. Battery is brand new ie 2 weeks with a voltage of 12.5. I've checked both pedal switches (Black cruise control 2 pins + Brown brake switch 4 pins) for continuity and both check out ie, one is normally open and the other is normally closed. I also check all the fuses at the pedal area and at IPDM all are still good. I don't have a jack so not sure if the starter gets it power after IPDM but that radiator fan turning on is one weird thing that I didn't notice before. I also changed the relay on the IPDM and that didn't do anything. Should i start looking at a new IPDM and Starter?

Redman · 09-01-2023, 01:45 PM

Sounds like starter since ur able to turn ‘ON’

ZeN · 05-25-2024, 08:17 AM

Update, it is the starter. I've change to new one right away and now engine come alive right on first crank.

07-31-2023, 11:13 PM	#1 (permalink)
ZeN Base Member Join Date: Apr 2011 Location: Malaysia Posts: 116 Drives: 09 PW 7AT 370z Rep Power: 14	Car wont crank and radiator fan turned on - not steering lock issue Guys, I need help and pointers. I have a RHD 09 7AT. This engine problem has been going on for a while where it took multiple pressing of the switch+brake pedal to even get the starter cranking, once it cranks the engine does turn. This time it just move to ON and there was a loud click from the engine bay and I notice the radiator fan also turn on slowly and build RPM to full speed. Is this normal? Previously jump-starts work but now it won't. Battery is brand new ie 2 weeks with a voltage of 12.5. I've checked both pedal switches (Black cruise control 2 pins + Brown brake switch 4 pins) for continuity and both check out ie, one is normally open and the other is normally closed. I also check all the fuses at the pedal area and at IPDM all are still good. I don't have a jack so not sure if the starter gets it power after IPDM but that radiator fan turning on is one weird thing that I didn't notice before. I also changed the relay on the IPDM and that didn't do anything. Should i start looking at a new IPDM and Starter?

05-25-2024, 08:17 AM	#3 (permalink)
ZeN Base Member Join Date: Apr 2011 Location: Malaysia Posts: 116 Drives: 09 PW 7AT 370z Rep Power: 14	Update, it is the starter. I've change to new one right away and now engine come alive right on first crank. Rusty likes this.

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09-01-2023, 01:45 PM	#2 (permalink)
Redman Base Member Join Date: Jul 2022 Location: Brunei Posts: 1 Drives: 11 370z Grey 7AT Rep Power: 3	Sounds like starter since ur able to turn ‘ON’