Suzuki GA413 Service Manual page 436

6E-26 ENGINE AND EMISSION CONTROL SYSTEM
DTC NO.15 CAMSHAFT POSITION SENSOR CIRCUIT
(NO SIGNAL FROM CMP SENSOR WITH ECM RECEIVING 30 PLUSES FROM CKP
SENSOR)
WIRING DIAGRAM
TROUBLE SHOOTING
CAUTION:
Do not connect from terminal "a" to "c" of CMP sensor connector.
STEP
1 Did you perform "ENGINE DIAGNOSTIC FLOW
TABLE" in Section 6?
2 1) With ignition switch OFF position, disconnect
CMP sensor electrical connector.
2) Turn ignition switch ON position, leaving en-
gine OFF.
3) Measure voltage from terminal "c" to "a" of
CMP sensor connector.
Is voltage within 10-14V?
3 1) Measure voltage from terminal "b" of CMP sen-
sor connector to ground.
Is voltage within 4-5V?
ACTION YES
Go to Step 2.
Go to Step 3.
Go to Step 4.
1. CMP sensing rotor
2. CMP sensor
3. CMP sensor connector
4. Power supply from main relay
5. ECM connector (A)
6. ECM connector (B)
7. ECM
NO
Go to"ENGINE DIAG-
NOSTIC FLOW TABLE".
"B/R" or "B" wire open or
short.
Poor connection of ECM
connector terminal.
If OK, substitute a
known-good ECM and
recheck.
"Br/R" wire open or
short.
Poor connection of ECM
connector terminal.
If OK, substitute a
known-good ECM and
recheck.