ABS System - Diagnosis Update

91pontiac02

Bulletin Number: 91-5-7
Reference Number: 005007
Publish Date: 2/91


Subject: SERVICE MANUAL UPDATE - SECTION 5E1-31 ABS DIAGNOSIS (REV'D CHART K (1 OF 2)

Models
Affected: 1991 BONNEVILLE MODELS


Anti-lock Brake System (ABS) Diagnosis - Section 5E1-31 Chart K (1 of 2) Anti-lock Indicator is On and No Codes Set-Second diagnosis box on left column needs to be revised with the following information:

^ Ignition: Run

^ Disconnect Main Relay

^ Measure Voltage from Main Relay Harness Connector Terminal 5 to Ground Is Battery Voltage Measured?