LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2011 >> 370Z Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 370Z - Diagnostics Introduction & DTC Index >> System Description >> Diagnosis System (ECM) >> Diagnosis Description >> DIAGNOSIS DESCRIPTION : Counter System >> Counter System Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Counter System Chart

COUNTER SYSTEM SPECIFICATION

Items Fuel Injection System Misfire Other
MIL (turns OFF) 3 (pattern B) 3 (pattern B) 3 (pattern B)
DTC, Freeze Frame Data (no display) 80 (pattern C) 80 (pattern C) 40 (pattern A)
1st Trip DTC (clear) 1 (pattern C), *1 1 (pattern C), *1 1 (pattern B)
1st Trip Freeze Frame Data (clear) *1, *2 *1, *2 1 (pattern B)

For details about patterns B and C under "Fuel Injection System" and "Misfire", see Explanation For Driving Patterns For Mis Fire, Exhaust Quality Deterioration and Fuel Injection System.

For details about patterns A and B under Other, see Explanation For Driving Patterns For Mis Fire, Exhaust Quality Deterioration and Fuel Injection System.

Relationship Between MIL, DTC, 1st Trip DTC and Driving Patterns for "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"

Fig 1: Driving Pattern Of Fuel Injection System
G07099763Courtesy of NISSAN MOTOR CO., U.S.A.

Explanation for Driving Patterns for "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"

Driving Pattern B

Refer to "DIAGNOSIS DESCRIPTION : DRIVING PATTERN ".

Driving Pattern C

Refer to "DIAGNOSIS DESCRIPTION : DRIVING PATTERN ".

Example:

If the stored freeze frame data is as per the following:

Engine speed: 850 RPM, Calculated load value: 30%, Engine coolant temperature: 80°C (176°F)

To be satisfied with driving pattern C, the vehicle should run under the following conditions:

Engine speed: 475 - 1, 225 RPM, Calculated load value: 27 - 33%, Engine coolant temperature: more than 70°C (158°F)

Relationship Between MIL, DTC, 1st Trip DTC and Driving Patterns Except For "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"

Fig 2: Driving Pattern Of Fuel Injection System
G07099764Courtesy of NISSAN MOTOR CO., U.S.A.

Explanation for Driving Patterns Except for "Misfire <Exhaust Quality Deterioration>", "Fuel Injection System"

Driving Pattern A

Refer to "DIAGNOSIS DESCRIPTION : DRIVING PATTERN ".

Driving Pattern B

Refer to "DIAGNOSIS DESCRIPTION : DRIVING PATTERN ".