B
FUEL SYSTEM
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
93
Repair and Service Manual
699322
WALBRO IRIS TSV SERVICE TOOL
EFI DIAGNOSTICS
Communication Module
The Diagnostic USB Communication Module is used for
communicating with the ECM real-time as shown in Fig-
ures 1 and 2 below.
Fig. 5 USB Communication Module ready for ECM
programming
Fig. 6 USB Communication Module with LED indica-
tors on bottom right
The LED Indicators:
• PWR – White – Indicates Battery Power to the Mod-
ule
• USB – Green – Indicates connected to the PC USB
• CON – Yellow – Indicates they key switch is powered
on
• PRG – Red – Indicates the module and ECM are in
• program mode
Jumper Harness
Figures 3 and 4 below show the jumper harness that con-
nects between the engine and vehicle.
Fig. 7 Jumper harness
Fig. 8 Jumper harness installed in vehicle
8 Engine Running Rich / Lean
1. Verify that the air filter is not clogged.
2. If the fault persists, contact an authorized service rep.
22 Limp Home 1. Contact an authorized service rep.
MIL Flash
Code
Fault Recovery Steps
To Next Page
Loading...