Jeep WG Grand Cherokee 2002, Руководство по обслуживанию

Страница: 27 / 74

Symptom:
CAB POWER FEED CIRCUIT
When Monitored and Set Condition:
CAB POWER FEED CIRCUIT
When Monitored: Ignition on. The CAB monitors the Fused B(+) circuit at all times for
proper system voltage.
Set Condition: If the Fused B(+) voltage is missing when the CAB detects that an internal
main driver is not
9
on
9
, the Diagnostic Trouble Code (DTC) is set.
POSSIBLE CAUSES
INTERMITTENT DTC
BLOWN FUSE - FUSED B(+) CIRCUIT
NO B+ SUPPLY TO FUSE
FUSED B(+) CIRCUIT OPEN
B(+) CIRCUIT INTERMITTENTLY SHORTED TO GROUND
B(+) CIRCUIT SHORTED TO GROUND
CAB - FUSED B(+) CIRCUIT OPEN
CAB - FUSED B(+) CIRCUIT SHORTED TO GROUND
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII
t
, erase DTC’s.
Turn the ignition off.
Turn the ignition on.
Drive the vehicle above 25 km/h (15 mph) for at least 10 seconds.
Stop the vehicle.
With the DRBIII
t
, read DTC’s.
Does the DRBIII
t
display CAB Power Feed Circuit DTC present right now?
All
Yes
→
Go To 2
No
→
Go To 10
2 Turn the ignition off.
Remove and Inspect the ABS Fuse 19 in the Junction Block.
Is the Fuse blown? All
Yes
→
Go To 3
No
→
Go To 7
25
BRAKES (CAB)
ProCarManuals.com