TM 5-3805-294-23-1
0058
Table 1. DTC 637.05 - Crankshaft Position Sensor Circuit Has High Resistance - Continued.
Test or Inspection
Corrective Action
Malfunction
1.
Disconnect engine wiring
8.
Short Circuit
harness connectors J01
Between Engine
Wiring Harness
(Volume 5, WP 0800, Figure
Connector J03
46) and J02 from ECU.
Socket F4 and All
(Volume 5, WP 0800, Figure
Other Sockets on
47)
Engine Wiring
Harness
Connectors J01 and
J03.
2.
Measure resistance (Volume
1.
If any measurement was less
than 1 kohm, replace engine
3, WP 0369) between engine
wiring harness. (Volume 4,
wiring harness connector J03
socket F4 (Volume 5,
WP 0510) Restore machine to
original condition and perform
WP 0800, Figure 48) and all
Harness Diagnostic Mode
other sockets on engine wiring
harness connectors J01
Test. (Volume 3, WP 0345)
(Volume 5, WP 0800, Figure
2.
If all measurements were
46) and J03. Note readings.
greater than 1 kohm, proceed
to Malfunction 9.
Measure resistance (Volume
1.
If any measurement was less
9.
Short Circuit
than 1 kohm, replace engine
Between Engine
3, WP 0369) between engine
wiring harness (Volume 4,
Wiring Harness
wiring harness connector J03
Connector J03
socket F4 (Volume 5,
WP 0510) and replace engine
Socket F4 and All
interface wiring harness.
WP 0800, Figure 48) and all
Other Sockets on
other sockets on engine
(Volume 4, WP 0509) Restore
Engine Interface
interface wiring harness
machine to original condition
Wiring Harness
connector J02. (Volume 5,
and perform Harness
Connector J02.
Diagnostic Mode Test.
WP 0800, Figure 47) Note
(Volume 3, WP 0345)
readings.
2.
If all measurements were
greater than 1 kohm, proceed
to Malfunction 10.
1.
Turn key switch to ON position,
10.
Short Circuit
but DO NOT START ENGINE
Between Engine
(TM 5-3805-294-10). (Volume
Wiring Harness
Connector J03
5, WP 0794)
Socket F4 and
Ground.
0058-4