Suzuki GSX-R1000 (2007) [241/549] C41 p2505 ecm pcm power input signal malfunction

4-86 FI SYSTEM DIAGNOSIS

“C41” (P2505) ECM/PCM POWER INPUT SIGNAL MALFUNCTION



INSPECTION

Step 1 (When indicating C41:)

1) Turn the ignition switch OFF.

2) Remove the front seat. (8-8)

3) Check the ECM couplers for loose or poor contacts.

If OK, then measure the ECM input voltage.

DETECTED CONDITION POSSIBLE CAUSE

C41

(P2505)

No voltage is applied to the ECM,

although the ignition switch is turned

ON.

No voltage is applied to the speedome-

ter when turning the ignition switch ON.

• Lead wire/coupler connection of ECM terminal to

fuel fuse

• Fuel fuse

• Power source of speedometer shorted to ground

or open

ECM

Side-stand

relay

Engine stop

switch

FP relay

Ignition

switch

Y/R

BATT

FP Relay

R/BI

O/W

Y/B

To side-stand

switch

R/Bl

To Speedometer

When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with

a needle pointed tester probe to prevent the terminal damage or terminal bend.