Page 1705 of 2490
W
ith EM013 disconnected, measure the resistance
between EM013/001 and relay socket pin 1.
1
I
s the resistance < 0.5 OHM?
Yes GO to A9
No Inspect harness / connec tors EM013, EM003/005,
FC001/42, BT004/019 and BT011/010 for corrosion,
damage, bent or pushed back pins. Repair as required
and test the system for normal operation.
A9: CHECK
ECM GROUND CONTINUITY
Page 1706 of 2490
Wi
th EM014 disconnected, measure the resistance
between EM014/010 and ground EM16L.
1
I s
the resistance < 0.5 OHM?
Yes STOP, renew the relay and test the system for normal
operation.
No Inspect harness / connector EM014, splice EMS37 and
ground EM16L for corrosion, damage, bent or pushed
back pins. Repair as requir ed and test the system for
normal operation.
A10: CHECK FU EL
PUMP CONTINUITY
Page 1707 of 2490
Wi
th BT009 disconnected, measure the resistance across
the fuel pump connectors reference BT009/001 and
BT009/002.
1
I
s the resistance < 5 OHM?
Yes GO to A11
No Renew the fuel pump and te st the system for normal
operation.
A11: CHECK FU
EL PUMP GROUND CONTINUITY
Page 1708 of 2490
With
BT009 disconnected, measure the resistance
between BT009/001 and ground BT020L.
1
I s
the resistance < 0.5 OHM?
Yes GO to A12
No Inspect harness / connector BT009, splice BTS021 and
ground BT020L for corrosion, damage, bent or pushed
back pins. Repair as requir ed and test the system for
normal operation.
A12
: CHECK CIRCUIT CONTINUITY
Page 1709 of 2490
Wi
th BT009 disconnected an
d relay 4 removed, measure
the resistance between BT009/002 and relay socket pin
5.
1
I
s the resistance < 0.5 OHM?
Yes GO to A13
No Inspect harness / connector BT 009, fuse holder F7 and
BT011/001 for corrosion, damage, bent or pushed back
pins. Repair as required and test the system for normal
operation.
A13: CHECK HARNESS SHO
RT TO GROUND
Page 1710 of 2490
Wi
th EM013 and BT009 disconnected, measure the
insulation resistance between EM013/001 and ground
BT020L.
1
Is
the resistance > 10M OHM?
Yes Do not replace relay or reconnect connectors.
GO to A14
No Inspect harness / connec tors EM013, EM003/005,
FC001/042, BT004/019 and BT011/010 for corrosion,
damage, bent or pushed back pins. Repair as required
and test the system for normal operation.
A1 4
: CHECK CORE TO CORE INSULATION
Page 1711 of 2490
W
ith conditions as A13, measure the insulation resistance
between EM013/001 and relay socket pin 5.
1
I
s the resistance > 10M OHM?
Yes GO to A16
No Inspect harness / connec tors EM013, EM003/005,
FC001/042, BT004/019, BT011/001, BT009/002 and
BT011/010 for corrosion, damage, bent or pushed back
pins. Repair as required and test the system for normal
operation.
A1
5: CHECK CORE TO CORE INSULATION
Page 1712 of 2490
Pinpoint test B:
P1646
W
i
th conditions as in A14, measure the insulation
resistance between EM013/001 and BT009/001.
1
I s
the resistance > 10M OHM?
Yes Reconnect all plugs and replace relay 4.
GO to A16
No
A 16:
END
Perform
a
ppropriate service drive cycle and check for the
presence of DTC.
1
Has th
e fault code cleared?
Yes STOP
No Contact Ja
guar Serv ice
PINPOINT TEST B : B: P1646
TE
ST CONDITIONS
D
E
TAILS/RESULTS/ACTIONS
B1
: RETRI
EVE DTCS
•
NOTE
: Battery and or ECM disconnection prior to scanning wi
ll erase all data, ensure that the correct DTC is present.