Section 2: Troubleshooting DTCs
51
Step
Action
Yes
No
1
1. Disconnect and reconnect fuel pump module con-
nector.
2. Turn Ignition ON, Engine OFF.
3. Clear codes.
4. Turn Ignition OFF, and then back ON.
5. Does DTC return?
Go to step 2.
Problem
corrected.
2
1. Turn Ignition OFF.
2. Back probe terminal 1 (Blue/Yellow wire) of fuel
pump module connector.
3. Connect terminal 1 back probe to red meter test
lead on DVOM.
4. Connect black meter test lead on DVOM to a
known good ground.
5. Set DVOM to read volts DC.
6. Attempt to start engine while observing voltage on
DVOM.
7. Is reading below 1.0 volts DC?
NOTE:
It is OK if engine starts.
System
performing OK.
Reading is above
1.0 volts DC.
Replace fuel pump
module.
DTC P0232 Fuel Pump Fault
Scan and Non-Scan Diagnostics
1
2
1
Figure 2-41 Fuel Pump Module Connector.
Figure 2-40 Fuse/Relay Block.
Main Power Relay
Battery Fuse
Содержание BIG BLOCK EFI
Страница 2: ......
Страница 6: ...2 Section 1 Diagnostic Introduction This page left intentionally blank...
Страница 76: ...72 Section 2 Troubleshooting DTCs This page left intentionally blank...
Страница 92: ...88 Section 3 Wire Schematics and Pin Outs This page left intentionally blank...
Страница 106: ...102 Section 4 Symptoms This page left intentionally blank...
Страница 133: ...Section 5 Removal Installation 129 B D E F G A H I C Figure 5 24 TPS Removal Installation Adjustment...
Страница 135: ...Section 5 Removal Installation 131 This page left intentionally blank...
Страница 140: ...136 Section 5 Removal Installation This page left intentionally blank...
Страница 141: ......