Manual

Nissan/Infiniti
CODE RETRIEVAL PROCEDURE
29 Chapter 4
Infiniti Code Retrieval Procedures
Tool
Model Years Eng. Req? Perform the following:
G20 91-95 2.0 Y Procedure: Access ECU (from pas-
senger side kick panel) (N4). Turn ig-
nition on. Using Nissan tool, turn diag-
nostic mode selector fully clockwise;
wait for two seconds, then turn selector
fully counterclockwise. Observe LED on
ECU (or vehicle’s “Check Engine” light)
for codes.
Codes: Codes are displayed using both
long and short blinks (N8). The long
blinks represent the first digit, the
short blinks represent the second digit
(N9). Codes are displayed in numeric
order, beginning with the lowest num-
ber code and ending with the highest
number code.
J30 93-95 3.0 Y Procedure: Access ECU (from pas-
M30 90-92 3.0 senger side kick panel) (N4) and posi-
Q45 90-95 4.5 tion it to observe LED. Turn ignition
on. Using Nissan tool, turn diagnostic
mode selector fully clockwise, wait for
two seconds, then turn selector fully
counterclockwise. Observe LED on ECU
(or vehicle’s “Check Engine” light) for
codes.
Codes: Codes are displayed using both
long and short blinks (N8). The long
blinks represent the first digit, the
short blinks represent the second digit
(N9). Codes are displayed in numeric
order, beginning with the lowest num-
ber code and ending with the highest
number code.