Electrical - Intermittent No Crank Condition
L-SB-0093-11September 6, 2011
Intermittent No Crank When Attempting to Start Vehicle
Service Category
Power Source/Network
Section
Battery/Charging
Market
USA
Applicability
Introduction
Some IS and GS series vehicles may exhibit an intermittent no crank condition. An updated negative cable bolt is available to address this condition. Follow the procedure in this bulletin to replace the negative cable bolt.
Parts Information
Warranty Information
Production Change Information
This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Required Tools & Equipment
Repair Procedure
1. Check battery voltage.
A. Measure the battery voltage between the negative (-) and positive (+) terminals of the battery.
Standard Voltage: 12.5 to 12.9 V at 68°F (20°C)
B. If battery voltage is not within specification charge the battery.
C. Temporarily run a redundant jumper cable with equivalent gauge from the negative battery terminal to a suitable ground on the vehicle.
D. If the vehicle cranks normally and the engine starts proceed with this TSIB.
E. If condition does NOT change STOP! This TSIB does NOT apply.
2. Replace negative (-) cable bolt.
A. Refer to the appropriate Repair Manual to REMOVE the Power Steering ECU to gain access to the bolt.
CAUTION
Wait at LEAST 90 seconds after disconnecting the battery cables to prevent possible airbag deployment.
Refer to the Technical Information System (TIS) applicable model and model year Repair Manual:
B. Remove the battery tray that is beneath the Power Steering ECU.
C. Remove the bolt securing the negative cable to the vehicle.
D. Run a M6 x 1.0 tap several times to remove paint on the threads of the weld nut.
E. Clean all dirt and debris around the ground point thoroughly.
F. Install the negative cable and new bolt (PIN 90119-06995).
Torque: 9 - 14 N*m (92 - 143 kgf*cm, 80 - 124 in*lbf)
G. Refer to the appropriate Repair Manual to install the Power Steering ECU.
Refer to TIS applicable model and model year Repair Manual:
3. Confirm vehicle starts.
4. Perform initialization on the affected systems.
Refer to the following bulletins on TIS for initialization procedures.