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Page Title:
P102 3 - TURBO BOOST PRESSURE CIRCUIT FAILED HIGH (HIGH VOLTAGE) (cont) |
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 TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
E. FLASH CODE:
33
J1587 CODE:
P102 3 - TURBO BOOST PRESSURE CIRCUIT FAILED HIGH (HIGH VOLTAGE)
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
33-5
Check for Short to +5
Volt Line
Turn ignition off.
Less than or
Signal line (ckt #432) is shorted
Disconnect engine harness
equal to 10,000 ohms.
to the engine +5 volt line (ckt
connector at the ECM.
#416). Repair short. Then go
Read resistance between sockets
to 33-30.
W1 and P1 on the engine
harness connector.
Greater than
Go to 33-6.
10,000 ohms or open.
33-6
Check for Short to
Battery +
Disconnect batteries (para 7-87).
All readings are
Go to 33-7.
greater than 10,000 ohms
Disconnect the vehicle harness
or open.
and 5-way power harness
connectors at the ECM.
Any reading is
A short exists between the
Read resistance between socket
less than or equal to
sockets where less than 10,000
P1 of the engine harness
10,000 ohms.
ohms resistance was read.
connector and socket B3 of the
Repair short and connect
vehicle harness connector.
batteries. Then go to 33-30.
Also read resistance between
socket P1 on the engine harness
connector and the following
sockets on the 5-way power
harness connector: A and C.
33-7
Check ECM Connectors
Check terminals at the
Terminals and
Replace ECM (para 7-57).
engine harness connector
connectors are okay.
Then go to 33-30.
(both the ECM and harness side)
for damage; bent, corroded, and
Problem found.
Repair terminals/connectors
unseated pins or sockets.
(para 7-101). Then go to 33-30.
2-669
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