TM 5-3895-385-23-1
0062
Table 1. SPN#653, FMI#5 ― High Resistance or No Current at Number Three Injector
DRIVER or RETURN Pin -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Measure resistance from
1. If resistance is more than 100
cylinder #1 RETURN pin (pin
kΩ, proceed to next test.
53) at engine ECM wiring
harness connector W25 C1 to
all other pins in connector (WP
0443, Vol 3 and WP 0448, Vol
3, Figure 10).
2. If resistance is 100 kΩ or less,
replace engine ECM wiring
harness (WP 0334, Vol 2).
4. Repeat resistance
1. If resistance at any DRIVER pin
measurement for cylinder #2
is more than 100 kΩ, proceed
RETURN pin (pin 59), cylinder
to next malfunction.
#3 RETURN pin (pin 60), and
cylinder #4 RETURN pin (pin
52) (WP 0443, Vol 3 and WP
0448, Vol 3, Figure 10).
2. If any resistance at any
DRIVER pin is 100 kΩ or less,
replace engine ECM wiring
harness (WP 0334, Vol 2).
18.Injector harness or pass-
1. Remove valve cover (WP 0327,
through connector pins
Vol 2).
damaged.
NOTE
If the injector harness insulation is damaged, an injector error can become active during engine
operation. It may not be possible to measure a short-to-ground when the engine is not running.
Close inspection of the injector harness is recommended.
2. Inspect injector harnesses for
1. If damaged, replace fuel
damage.
injector harness (WP 0338, Vol
2).
2. If no damage found, proceed to
next test.
3. Inspect pass-through connector
1. If damaged, replace pass-
pins for damage.
through connector (WP 0338,
Vol 2).
0062-11
