Suzuki RM-Z450 Service Manual

FI SYSTEM DIAGNOSIS 12-38
“31” GP SWITCH CIRCUIT MALFUNCTION
INSPECTION
Step 1
1) Stop the engine.
2) Remove the fuel tank. ("13-2)
3) Check the GP switch coupler for loose or poor contacts.
If OK, then measure the GP switch voltage.
DETECTED CONDITION POSSIBLE CAUSE
No GP switch voltage
Switch voltage is not within the following range.
Switch voltage 0.6 V
• GP switch circuit open or short.
• GP switch malfunction.
• ECM malfunction.
N
1
5
4
2
3
ECM
GP switch
BI
P
B/W
B/W
Bl/B
GP
NT
E1
P
CAUTION
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.
1

Suzuki RM-Z450 Specifications

General

Brand	Suzuki
Model	RM-Z450
Category	Motorcycle
Language	English