PL720 2WD L4-2488cc 2.5L DSL (SD25) (1985)
Technical Service Bulletin # TS85056
Date: 850613
Exhaust Gas Sensor Warning System/Wiring Modification
Models: 1985 300ZX, Maxima, Stanza and California Truck
Section: Emission Control
Classification: EC85-005
Bulletin No.: TS85-056
Date: June 13, 1985
EXHAUST GAS SENSOR WARNING SYSTEM MODIFICATIONS
APPLIED MODELS:
1985 300ZX, Maxima, Stanza and California Truck
APPLIED VINs:
SERVICE INFORMATION
The exhaust gas sensor warning system for 1985 300ZX, Maxima, Stanza and California Truck models has been modified. Beginning with the Applied
VINs above, the warning lamp illuminates at 30,000, 60,000 and 90,000 miles. The warning lamp should be reset at 30,000 and 60,000 miles and then
disconnected at 90,000 miles.
On vehicles built prior to the Applied VINs above, the exhaust gas sensor warning lamp illuminates one time at 30,000 miles and should be
disconnected. This Technical Bulletin provides new maintenance procedures, wiring diagrams and electrical unit location illustrations for the Applied
Models.
Please note that the above modifications were also applied to 1985 200SX and 1985.5 Sentra and Pulsar NX models. Maintenance procedures for the
200SX are contained in the 1985 200SX Service Manual. Maintenance procedures for the Sentra/Pulsar NX models are contained in the 1985 E16
Mid-year Model Change Supplement.
Please make the following note in your copies of the 1985 300ZX, Maxima, Stanza and Truck Service Manuals.
"Refer to Technical Bulletin EC85-005 (TS85-056) when servicing the exhaust gas sensor warning system."
Checking Exhaust Gas Sensor (Z31) 300 ZX
ENGINE MAINTENANCE
Checking Exhaust Gas Sensor (Z31)