5. CKP sensor 1 circuit (PC1P) short-circuit inspec-
tion
-1. Disconnect the CKP sensor 4P connector.
-2. Check for continuity between the No. 2 (Orange) ter-
minal of the CKP sensor 4P connector and the body
ground.
◆
Is there continuity?
YES - Repair short circuit between the ECM and
the CKP sensor.
NO -
Recheck with a new ECM.
DTC 4-2: Abnormal crank pulse
1. Reappearance test
-1. Connect the HDS (Dr. H or Pocket Tester) (page 5-
1) and clear the DTC (page 5-2).
• If the DTC cannot be cleared, continue trou-
bleshooting.
-2. Start the engine and let it idle with no load.
-3. Check the DTC with the HDS (Dr. H or Pocket
Tester).
◆
Does DTC 4-2 appear on the tester?
YES - Go to the step 2.
NO -
Temporary failure (Disappears).
2. CKP sensor 1 inspection
-1. Turn the ignition switch OFF and disconnect the
CKP sensor 4P connector.
-2. Measure the resistance between the No. 1 (Brown/
Blue) terminal and No. 2 (Orange) terminal of the
CKP sensor.
◆
Is there 970 ~ 1,170
Ω
?
YES - Recheck with a new ECM.
NO -
Replace the CKP sensor.
5-9
BF115A•BF130A
View from the terminal side
CKP SENSOR 4P CONNECTOR
(Sensor side )
PC1M
(
BROWN/BLUE
)
PC1P
(
ORANGE
)
View from the terminal side
PC1P (ORANGE)
CKP SENSOR 4P CONNECTOR
(Wire harness side)