Service Manual Update On Addition Of Blower Relay (97-T-16)

Publication date: 1997-04-01
Reference number: 97-T-16

SERVICE MANUAL UPDATE ON ADDITION OF BLOWER RELAY

TECHNICAL SERVICE BULLETIN

Reference Number(s): 97-T-16, Date of Issue: April, 1997

SERVICE MANUAL UPDATE ON ADDITION OF BLOWER RELAY

APPLICATION

Model(s): 1997 Saturn SL, SC & SW Models

Group/Seq. No.: HVAC - 02

Corporation No.: 781203

Bulletin No.: 97-T-16

Date: April, 1997

NOTE: This is a Service Manual update.

VEHICLES AFFECTED

1997 Saturns built after and including the following vehicle identification numbers (VINs):

VIN INFORMATION

Model	Options	VIN #
Sedan/Coupe	Manual Trans. w/ABS	VZ270302
Sedan/Coupe	All others	VZ271220
Wagon	Manual Trans. w/o ABS	VZ267541
Wagon	Manual Trans. w/ABS	VZ270132
Wagon	Automatic Trans.	VZ276755

PURPOSE

A blower relay has been added to the HVAC blower circuit as a model year 1997 interim design change. This blower relay is located in the main branch of the I/P wiring harness, near the splice packs. The blower relay is accessible from the driver's side footwell area of the instrument panel. For 1997 vehicles built after and including the above VINs, use the diagnostics and service procedures in this bulletin to diagnose the HVAC blower motor electrical system. For 1997 vehicles built before the above VINs, use the diagnostics in the "1997 HVAC Service Manual." See Fig 1 thru Fig 8 .

BLOWER RELAY

REMOVAL

Locate blower relay on the drivers side in the footwell area. The blower relay is located in the instrument panel (I/P) wire harness, approximately 305 mm (12 in.) from the powertrain control module (PCM) I/P connector.
NOTE: The blower relay is the first component taped to the I/P harness from the PCM I/P connector end.
Remove black tape from around the blower relay.
Disconnect blower relay from base by disengaging locking tab and gripping the base while pulling the relay away from the base.

INSTALLATION

See Fig 1 .

Install blower relay into base.
Using high quality electrical tape, tape blower relay to harness.

Fig 1: Diagnostic Circuit Diagram - Blower Motor Inoperative

Fig 2: Blower Motor Operates At All Speeds - Ignition Off

Fig 3: Blower Motor Operates At High Speed Only - Ignition Off

Fig 4: Blower Motor Operates At HI Speed When Blower Switch Is On

Fig 5: Blower Operates In HI, But Not In One Or More Other Speeds

Fig 6: Blower Motor Operates In Low, Med & Med2, But Not In High

Fig 7: Blower Motor Relay Wiring Diagram - 1 of 2

Fig 8: Blower Motor Relay Wiring Diagram - 2 of 2

Fig 9: Blower Relay & Harness - Location

PARTS INFORMATION

Part Number	Description
12193601	Relay Asm-HVAC Blower

WARRANTY INFORMATION

To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System using the appropriate Electronic Labor Time Guide and Labor Operation Code D1027 (Replace Blower Motor Relay).